CN112365756A - Small-scale open online experiment teaching system - Google Patents
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Abstract
The invention discloses a small-scale open online experiment teaching system, which belongs to the field of experiment teaching, in particular to a teaching system of life science experiment courses, which is formed by college experiment teaching resources and internet resources, and aims at students, self-repairmen, public and relatives and friends at the school to carry out online open teaching and popular science of life science related experiment knowledge and technology; the experiment teaching system has the organic characteristics of self-filling and self-perfection. The college experiment teaching resources comprise: college life science laboratories, college life science experiment courses and supporting network teaching resources thereof, teachers, experiment technicians, managers and students, college intelligent campuses, intelligent laboratory systems and cameras which are controlled by the college life science laboratory systems and can be connected to the internet. The internet resources include: the system comprises servers of various network operators, a plurality of cloud conference room software, independent learners based on internet learning and personal network terminals of tourists.
Description
Technical Field
The invention belongs to the field of experimental teaching, and particularly relates to a teaching system of life science experiment courses, which is an online-offline combined organic teaching mode mainly based on life science experiment teaching resources and network resources of colleges and universities.
Background
Since the sweat college of 2007 uses video technology to make 5600 ten thousand primary and secondary school students break the national and regional restrictions, learning based on video courses has been increasingly and widely regarded as a network-based teaching. From 2011, colleges and universities in China actively put into network-based teaching practice under the guidance of the ministry of education and develop competitive cooperation with top-level universities in the world. Interconnection networks have become an indispensable part of learning and living. With the advancement of education informatization, the network teaching of colleges and universities in China is continuously expanded, and by 2018, the education department declares that the network course of China reaches 3200 more, and the network course of China is the first in the world. The main problems faced by the current network teaching are as follows:
MOOC (Massive Open Online Course, MOOC) is a large-scale Online Open Course, and MOOC mainly focuses on network teaching of theoretical courses, and the generation of MOOC solves the problem of learning threshold, so that learners can learn interested theoretical courses at any time under the condition of network, learning becomes a lifelong process under the independent will, and inherent school teaching time, space and identity limitations are broken. With the development of MOOC, people desire to learn not only theoretical knowledge but also experimental techniques and practical experience through a network.
MOOE (Massive Open on line Experiment, MOOE), large-scale Online Open Experiment, some have solved the on-line teaching of practical experience and experimental theory and technology, but the methods such as the text picture description, flow chart, video recording, virtual reality, virtual simulation that adopt in MOOE, can't really be suitable for the teaching of life science Experiment course, its reason is under the existing teaching mode, the course situation is set by the developer, the question that the learner faces in the course of the Experiment and possible options are influenced by the developer setting, can't really cover the question that the learner will meet in the Experiment, can't receive real comprehensive training after learning the course, can't solve effectively while facing the actual problem, this will bring the potential safety hazard.
Generally speaking, MOOE and MOOC face similar problems, such courses often exist in a closed system, and "white paper for building and developing MOOCs in china" indicates that the problems of students in such teaching system cannot directly communicate with and feedback the teacher or developer of the course, which greatly limits the deep learning of learners.
SPOC (Small Private Online Course, SPOC), a Small-scale restrictive Online Course, which excellently solves the interaction problem between learners and lecturers, but the learning threshold is further improved by qualification selection and lecture payment of learners, which is not beneficial to knowledge propagation and autonomous learning of people.
In order to reduce the learning threshold, more accurately and effectively spread the knowledge and the technology and strengthen the communication between the teacher and the learner. The invention establishes a Small-scale Open Online experimental teaching System (SOOE).
Disclosure of Invention
The invention aims to provide an Open Online teaching system for life science Experiment teaching, which overcomes the defects of the existing network-based teaching system (MOOC, MOOE and SPOC) based on the existing life science Experiment teaching resources and Internet resources of colleges and universities, and realizes an Experiment teaching (Experiment) system which is not privately paid, is served for any Open (Open) and Online (Online) and Offline (Offline) mixed mode with Online (Online) education as the final aim and is provided for studying on groups. The experiment teaching system has the organic characteristics of self-filling and self-perfection.
The purpose of the invention can be realized by the following technical scheme.
A small-scale open experiment teaching System (SOOE) is composed of life science experiment teaching resources of colleges and universities and Internet resources. The college life science experiment teaching resource consists of a college life science laboratory, college life science experiment courses and matched network teaching resources thereof (courseware, micro-class, MOOC course, MOOE, virtual simulation course resources and an electronic dictionary mapping experiment phenomena and experiment operation relations), teachers (teachers) participating in training and training of corresponding experiment courses in colleges, experiment technicians (teaching aids), experiment management personnel (education tubes) and students, college intelligent campuses, intelligent laboratory systems and cameras which can be connected to the Internet and are controlled in the intelligent laboratory systems; the internet resources comprise servers of network operators, a plurality of cloud conference room software, independent learners based on internet learning and personal network terminals (electronic equipment such as mobile phones, tablets, computers and internet televisions) of tourists.
The college life science experiment teaching resources (courseware, MOOC course, micro-course, MOOE, virtual reality course resources and an electronic dictionary mapping experiment phenomenon and experiment operation relation) mainly undertake the pre-training and related experiment information transmission of the outside-school participants of the SOOE course, ensure that the course participants can better understand and master the experiment contents, related knowledge and skills before participating in the course, further improve the efficiency of the SOOE course, and enable the participants to obtain more detailed study.
The life science experiment teacher of colleges and universities, the teaching is assisted and is educated the pipe personnel, for the online smooth operation of providing the material guarantee of SOOE course off-line, both guaranteed course off-line participant's experiment safety, experimental efficiency, experiment success rate, guarantee the online effect of watching of participating in the experimenter of course again, still be responsible for carrying out actual technical guidance and answering in real time to online off-line experiment course participant. So that online and offline SOOE course participants can obtain timely and effective experimental technique training and detailed interactive teaching.
The laboratory of colleges and universities and the camera that can connect in the internet that is controlled by intelligent campus intelligent laboratory system in the laboratory undertake the experiment line and give birth to journey image recording function down, and relevant video carries out online course through the server of intelligent campus system, intelligent laboratory system and broadcasts.
The intelligent campus system and the intelligent laboratory system of colleges and universities are affair centers for online course sharing and experiment process control, and have the functions of course reservation, forecast, program guide, recording, live broadcasting, storage, editing, playback and the like.
Video data of each course is input into a colleges and universities life science experiment teaching resource base, colleges and universities can collect problems in experiments from databases by teachers and students in various subject fields Based on a PBL (Project-Based Learning) teaching method, wherein the problems which are mapped and solved form an electronic dictionary for mapping experiment phenomena and experiment results, and the electronic dictionary is fed back to the colleges and universities life science experiment teaching resource base to serve a new experiment teaching process; the problems to be solved are consolidated by a PBL teaching method and a solution is found, and the obtained achievements are sequentially added into a college teaching resource library to enrich and perfect an experimental teaching system.
The server of the network operator and a plurality of cloud conference room software are provided by social resources and legally obtained by course organizers according to national policy and regulation.
The independent learners and the tourists based on the internet learning comprise the following members: 1) the student who participates in experiment course study offline, 2) have the aspiration in the school and independently participate in student (school self-service student) of relevant experiment course study, 3) school self-service study personnel (school self-service person), 4) science popularization fan and visitor system member (public), 5) the relatives and friends of the student who participates in experiment course study offline, 6) teacher, teaching assistance and education management.
Description of the drawings:
FIG. 1: schematic diagram of experimental course preparation phase.
FIG. 2: schematic diagram of experimental course forecasting stage.
FIG. 3: schematic diagram of experimental course preview stage.
FIG. 4: schematic of the experimental course progression phase.
FIG. 5: schematic diagram of experimental course feedback stage.
The specific implementation mode is as follows:
the following further illustrates how the invention may be practiced in conjunction with the accompanying drawings, but the scope of the invention as claimed is not limited to the scope of the embodiments described. Other variations and modifications to this embodiment may occur to those skilled in the art without departing from the spirit and scope of this invention, which is defined in the appended claims.
The method comprises the following specific implementation steps:
a small-scale open experimental teaching System (SOOE) is realized by the following steps:
step 1, each person participating in the experimental course learning independently registers according to the identity of the person, and the person enters a teaching system, a public system and a relatives and friends system respectively, wherein the teaching system is divided into a teacher system, a student system and a self-repairing system. Identity screening and detailed classification are carried out by managers of intelligent campus and intelligent laboratory systems. (FIG. 1)
And 2, teachers, education tubes and teaching aids, the time and the content of the online experiment courses are arranged according to the progress of the experiment courses, students who learn training offline are involved in the appointment of the courses, and the teachers are submitted to forecast the courses. (FIG. 2)
And step 3, the education tube issues open experiment contents and time forecast on the intelligent campus intelligent laboratory website. (FIG. 2)
And 4, enabling each study person participating in the experimental course to automatically participate in the relevant life science experimental courses and network teaching resources (courseware, micro-class, MOOC course, MOOE and virtual reality course resources) of colleges and universities for study. (FIG. 3)
Step 5, enabling students participating in the experiment to enter a laboratory to carry out the experiment under the guidance of teachers and teaching assistance; online teaching participants enter corresponding cloud conference rooms through personal terminals to carry out online learning of experiments; the experiment teacher and the experiment technicians pay attention to and answer the on-line and off-line teaching system member questions at any time; members of the public system can communicate with the education tube through an intelligent campus and an intelligent laboratory system; the family and friend system members can designate cameras to automatically and mainly control to watch participants who participate in learning off the experimental line through the intelligent campus intelligent laboratory system. (FIG. 4)
Step 6, timely carrying out experiment records during participation of offline experiment participants in the experiment, and writing experiment reports after participation in the experiment; the online participants can participate in online course examination to verify self learning conditions and also participate in viewing course playback, the online course participants are specially expected to submit course experience reports to put forward improvement opinions on the courses, and teachers and education tubes regularly reply; the public can watch the course playback, can participate in submitting the course experience report, hope that the improvement suggestion is put forward by the public, and the teacher reply regularly; the members of the relatives and friends system can submit applications for recording and downloading the videos of the relatives and friends experiment process, and encourage the members to submit experience reports, hopefully, the members can provide improvement opinions.
And step 7, summarizing and collecting the university life science experiment teaching resource base for supplementing courses in time, wherein the base is very important for the SOOE experiment course teaching system, the database comprises video data and character data of courses, and the character data comprises experiment reports, experiment records, experience reports and improvement opinions corresponding to the video courses. Through the database, colleges and universities can gather the problems in experiments by teachers and students in various subject fields based on a PBL teaching method, wherein the problems which are mapped and solved are constructed into an electronic dictionary, and the electronic dictionary is fed back to a colleges and universities life science experiment teaching resource library to serve a new experiment teaching process; the problems to be solved are consolidated by a PBL teaching method and solutions are searched one by one, and the obtained achievements are sequentially added into a college teaching resource library to enrich and perfect an experimental teaching system. (FIG. 5)
Compared with the existing teaching system (MOOC, MOOE and SPOC) based on network, the small-scale open online experimental teaching system SOOE has the advantages that:
1. the invention relates to a teaching system for off-line on-line teaching of life science experiments, which is characterized in that an experimental object is a living thing, the growth and proliferation of the experimental object in the experimental process and the stress of the external environment do not completely comply with a set mathematical model, a plurality of factors can influence the experimental result, any experimental course instructor or designer cannot effectively cover all possibilities, the actual simulation is difficult to be carried out in a digital mode, and any omission can cause the failure of the experiment or the safety problem. The online and offline experimental course teaching is carried out by replacing a virtual simulation process with series of real experiments, so that the real experience of learners can be improved, and inaccurate knowledge transfer and even safety problems caused by teaching omission are avoided.
2. The invention relates to an experimental teaching system based on life science experimental teaching resources and internet resources of colleges and universities, students carrying out off-line experimental operation are college students with experimental theory and technical foundation after earlier theoretical and experimental training, and teaching supervisors and teachers are teachers with abundant experience and responsibility. The online broadcasting is carried out on the offline experiment of students at school, and online and offline teaching interaction is carried out based on an intelligent campus and an intelligent laboratory system. Compared with MOOC and MOOE, the method has intuitiveness, authenticity and interactivity, and experiment operators and cloud clients can communicate with teachers about problems in experiments on line, so that adverse effects of MOOC and MOOE teaching modes on learning interests of online learners due to insufficient communication are overcome, and the online learners can obtain more real experiment experiences.
And 3, online course participants of the SOOE teaching system can be any personnel who are conscious of online course learning in the field, and Private charge (Private charge) limitation is eliminated, so that the online learning threshold of the experimental course is greatly reduced, and the online learning and teaching of the experimental course are further visualized and visualized.
The SOOE teaching system has significance in popularizing science and technology facing society, and developing and exciting interests of people in science research.
The SOOE teaching system enables relatives and friends of off-line learners and family to see on-line in real time and really feel the learning work of learners, thereby enhancing communication, care and understanding between relatives.
The SOOE teaching system is an organic teaching system with self-improvement and self-development functions, and can continuously improve, supplement and optimize experimental contents and teaching systems by continuously collecting and arranging teaching data, combining a PBL teaching mode and utilizing teaching manpower and material resources in colleges and universities.
Example (b):
the invention provides a small-scale open online teaching system (SOOE teaching system) suitable for life science experiment teaching, and the embodiment shows the execution of the teaching system by taking a genetics experiment course as an example.
Genetics is the subject of studying the structure, function, and their variation, transmission and expression laws of genes, and it is an important core component of life science and the foundation of the field of biological breeding frontier. Three laws of inheritance, namely a gene separation law, a gene free combination law and a gene linkage and exchange law, in the teaching plan of students in the department play an important role in theory and experimental teaching, and a biological body, namely drosophila, is used as a research object in a genetics experiment to verify the three laws. On one hand, fruit flies have the growth, development and reproduction rules of the fruit flies; on the other hand, the growth, development and propagation of the three-law experimental system are also influenced by the environment, so that the teaching process of related experiments has uncertainty, which brings difficulty for the verification and teaching of the three laws of genetics, the whole three-law verification process is difficult to be fully displayed only by MOOC/MOOE and virtual simulation experiments, any omission in the course brings knowledge shortage and potential safety hazards to future practitioners and researchers, the study of related subject knowledge and technology is not facilitated, and the improvement of national science literacy is not facilitated. The application of the SOOE teaching mode in the fruit fly single-factor genetic experiment to verifying the gene segregation law of three laws of genetics is shown here, and specifically comprises the following steps:
1. background knowledge
1.1 Single-factor genetic experiment: single-element inheritance of drosophila refers to the transmission rule of a pair of alleles on an autosome. Due to the implicit relationship, only dominant traits are expressed in the next generation, but the genotype is heterozygous. When the first filial generation selfs to form gametes, the genes remain relatively independent and are distributed to different gametes as they are. The probability of the combination of male and female gametes is equal, the second generation of the male and female gametes has 3 genotypes, the ratio is 1: 2: 1, and the phenotype has only two genotypes, the ratio is 3: 1.
1.2 Drosophila has characteristics of small individual, many offspring and fast reproduction as a common mode organism of genetic experiments, and in the genetic experiments, it needs to be noted that female Drosophila can store sperms of male Drosophila after mating and continuously generate offspring of the male Drosophila within a long period of time, if the female Drosophila (virgins) which are not mated can not be picked in time for experiments in the experiments, the experimental results do not meet the statistical expectation, the experiments are subject to failure, and the picking of the virgins is the core key point of the experiments.
At the temperature of 1.325 ℃, 10 days are needed for the fruit fly eggs to pass through larvae and pupae and grow into imagoes, and after the fruit flies grow into the imagoes, the female fruit flies participating in the experiment must be picked out within 10 hours and used as virgins for subsequent experiments.
1.4 the life history of fruit flies, the feeding and breeding of fruit flies, the sorting of male and female fruit flies and the observation of the genetic characters of fruit flies all belong to the necessary knowledge and experimental skills which need to be mastered by students before experiments, and students and self-repairers need to learn by using the existing life science experimental teaching resources of colleges and universities or the internet (MOOC/MOOE, virtual simulation courses).
SOOE Experimental course
2.1 the teacher proposes the experiment plan according to the teaching outline, the server issues the course content and the time forecast for students, self-repairmen and public, all people apply for and register, the server classifies the course applicants into the teaching system, the public system and the relatives and friends system under the control of the teaching management, wherein the teaching system comprises students, self-repairmen and teacher (figure 1),
2.2 students and self-repairmen self-study according to the teaching plan and content (figure 2) issued by the server, using network teaching resources such as courseware, MOOC, MOOE, virtual simulation in advance, wherein the students also need to receive the training of offline theoretical course and experimental course to the relevant theoretical technique, in order to improve the course experience and life science literacy of the whole people, we propose but not force public system members to participate in the relevant study (figure 3), the students and self-repairmen obtain the score/permission of participating in SOOE course through study, the members who obtain the score/permission can apply for participating in SOOE course to the server (figure 3), the server and administrator can issue the entrance and password of course to the students who obtain permission and self-repairmen, issue entrance and password to public system members, the entrance and password facing to the relatives and friends system members are obtained from the administrator by the students who participate in the offline experiment, self-forwarding (fig. 3).
2.3 off-line experiment participated students regularly observe the growth state of fruit flies required by the off-line experiment, timely feed and breed the fruit flies, when enough virgins required by the experiment can be obtained, inform managers and servers to reserve SOOE experiment, and forecast the accurate time of the experiment to all experiment participators through the approval of the managers and the servers (figure 4),
and 2.4, the SOOE course time, the off-line experiment participation students, teachers, teaching aids and education management members enter the off-line laboratory and the on-line intelligent laboratory, relatives and friends, the public, self-repairers and students not participating in the SOOE off-line course enter respective cloud classrooms through different entries and passwords, and simultaneously, the off-line experiment course and the on-line course are started. The teacher and the assistant pay attention at any time and answer the on-line and off-line teaching system member questions; members of the public system can communicate with the education management personnel through an intelligent campus and an intelligent laboratory system; the relatives and friends system members can designate cameras through the intelligent campus/intelligent laboratory system to watch students participating in learning offline of the experiment in turn through the master control mode (figure 4).
2.5 after the course is finished, the students participating in the off-line experiment need to write experiment reports; the online self-service person and the online students can participate in online course examination to verify the self-learning condition and also participate in viewing course playback, and the online course participants are specially expected to submit course experience reports to put forward improvement opinions to the courses, and teachers and teaching assistants reply regularly; members of the public system can watch the course playback, participate in submitting course experience reports, hope that the members can provide improvement opinions, teach management and teach assistance to reply regularly; the relatives and friends system members can submit applications for recording, download own relatives and friends experiment process videos, encourage the relatives and friends to submit experience reports and hope that the relatives and friends system members propose improvement suggestions.
2.6 recording all SOOE videos, making marks, storing in the form of original data, analyzing the original data of the course by teachers, teaching assistants, teaching management and students on the basis of experience reports and improvement opinions collected in the step 2.5, collecting questions, bringing in a question set, establishing a one-to-one mapping relation between the questions and the phenomena, constructing an electronic dictionary, integrating into a life science experiment teaching resource library of colleges and universities, and providing course participants with learning in the form of MOOC, MOOE and virtual simulation courses (figure 5),
2.7 screening the problems in the set through a PBL learning mode, integrating the talent resources of each discipline in colleges and universities based on the development of the disciplines in the related field, trying out the group to search a solution and an optimization scheme, integrating the obtained achievements into the experimental teaching, and continuously optimizing and adjusting in the application process of the experimental teaching to promote the development and the reform of related experimental teaching contents. The optimized SOOE lesson is fed back into the off-line experimental teaching and on-line lessons, and the relevant teaching resources continue to participate in the teaching cycle in the form of raw data (FIG. 5).
In the SOOE teaching mode and in the genetic experiment process, in order to solve the safety problem of ether anesthesia on fruit fly experiment participants and experiment environment, a fruit fly procedural low-temperature anesthesia system is constructed, and the national invention patent and the patent authorization of the utility model (grant number: ZL 2014102676837; ZL 2014203207146; ZL20182163702296) are obtained, in order to solve the problems of fruit fly emergence process monitoring and female virginal fly selection, a fruit fly emergence monitoring system is constructed, and a national invention patent is applied (application number: 202011170190.3). The two systems are already put into the genetics experiment teaching of the family and written into the practice teaching outline of the family.
Significance of SOOE teaching mode in application of genetics experiment
3.1 significance to the teaching of genetic experiments: the collected experimental problems are electronically recorded and organized through the teaching mode, and common problems in courses are cleared further; an electronic dictionary is built, which is beneficial to the teaching of a teacher, the learning of a learner and the improvement of the personal ability of a self-repairer; the technical talents in multiple subject fields in schools are integrated based on the PBL mode, problems facing urgent need to be solved in experiments are analyzed by combining subject progress in each field, a drosophila programmed low-temperature anesthesia system and a drosophila eclosion monitoring system are obtained, the system is applied to experiment teaching in the department after the experiments are adjusted, the safety and the environmental friendliness of the experiments are improved, manpower and material resource consumption of the experiments are reduced, brains and hands of experiment participants are liberated, the experiment participants can obtain more training in limited time, and more accurate and effective experiment results are obtained.
3.2 significance to the experimental participants: the experiment participants improve self knowledge and experiment skills on one hand, obtain more attention on the other hand, improve self confidence and responsibility on the other hand, watch and learn other people's experiment operation through the online course, and continuously improve self quality by repeatedly observing self experiment operation, combining experience reports of the experiment participants and improvement suggestions. More importantly, the experiment participants of the family-friend system can intuitively transmit the learning process of the experiment participants in schools to the family-friend system, and communication, care and understanding among the family members are improved. The mind and defense of students are built with care and warmth, and the harmonious development of the campus and the society is promoted.
3.3 for members of the public system: they can have more time and opportunities to know the work and the daily experimental teaching process born by the related subject fields of colleges and universities in the scientific week and the open days of colleges and universities, and improve the national scientific literacy.
3.4 for members of the relatives and friends system: children in the colleges and universities are no longer kites with broken lines, parents can deeply know the daily experiment, study and life of the children through the cloud, the wishes of accompanying, guarding and knowing the children of the families are met, the care and the attention of the families to the children can be reflected, and the communication, the care and the understanding among the families are improved.
3.5 for self-repairmen: the self-repairing person learning willingness for life is met, and the self-repairing person can obtain more real experiment experience than MOOC, MOOE and virtual simulation experiments. Through whole SOOE teaching process study, the self-service person obtains the chance of online course study, can obtain the training of more comprehensive experimental knowledge, experimental skill, experimental details, combines with the online communication of teacher, teaching assistance, can furthest restore at school student's experimentation, makes the self-service person furthest be close to the experimental teaching experience that obtains at school student.
3.6 for the instructor: the teacher can collect teaching feedback more widely to the utmost extent through the SOOE course, can analyze and arrange video data accumulated for many years, continuously perfects the control of the teacher on knowledge, skills and details related to the experiment, and continuously improves the teaching level and quality of the teacher. Meanwhile, a PBL teaching mode is combined, a teacher can solve the problems in experimental teaching from multiple disciplines and multiple angles, the eyefield is widened, and the teaching capacity is improved. The SOOE teaching system can promote teachers to continuously develop and perfect in the aspects of professional ideas, professional knowledge and professional ability.
3.7 for colleges and laboratories developing courses: the SOOE teaching system can promote the perfection of an intelligent campus and an intelligent laboratory on the one hand, and deepen and embody the essence of college knowledge dissemination, talent education and service society on the other hand. Makes contributions to the cultivation of professional talents, the strengthening of national science and quality and the construction of a harmonious society.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and are only illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A small-scale open online experiment teaching system is characterized in that the system is composed of experiment teaching resources of colleges and universities and internet resources, and aims at students, self-repairmers, the public and relatives and friends at the school to carry out online open teaching and popular science of relevant experiment knowledge and technology of life science; the experiment teaching system has the organic characteristics of self-filling and self-perfection.
2. The small-scale open online experimental teaching system according to claim 1 wherein the experimental teaching resources of colleges and universities include: college life science laboratories, college life science experiment courses and matched network teaching resources thereof, and specifically comprise courseware, MOOC courses, micro-courses, MOOE and virtual simulation course resources; colleges and universities participate in teachers, experiment technicians, managers and students who train and train corresponding experiment courses; college intelligent campus, intelligent laboratory system and each controlled camera capable of connecting to internet in the intelligent laboratory system.
3. The small-scale open online experimental teaching system of claim 1 wherein the internet resources include: the system comprises servers of various network operators, a plurality of cloud conference room software, and various network terminals of independent learners and tourists based on internet learning, such as mobile phones, tablets, computers, internet televisions and similar electronic equipment.
4. The small-scale open online experimental teaching system according to claim 1, wherein the online teaching resources of colleges and universities are used to perform online experimental teaching and provide online course resources for self-repairment, public and relatives and friends participating in online courses, and teachers, teaching assistants and supervisors of experiments provide interactive services for different course participants through the network.
5. The small-scale open online experimental teaching system according to claim 1, wherein the experimental teaching system has self-filling and self-perfecting organic features, and specifically comprises: the video data of each course is used as a database, colleges and universities can collect problems in experiments of teachers and students in each subject field based on a PBL teaching method, wherein the problems which are mapped and solved are constructed into an electronic dictionary, and the electronic dictionary is fed back to an experiment teaching resource library of colleges and universities to serve a new experiment teaching process; the problems to be solved are consolidated by a PBL teaching method and solutions are searched one by one, and the obtained achievements are sequentially added into a college teaching resource library to enrich and perfect an experimental teaching system.
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