CN104200709A - 4D (4-dimensional) classroom - Google Patents
4D (4-dimensional) classroom Download PDFInfo
- Publication number
- CN104200709A CN104200709A CN201410480342.8A CN201410480342A CN104200709A CN 104200709 A CN104200709 A CN 104200709A CN 201410480342 A CN201410480342 A CN 201410480342A CN 104200709 A CN104200709 A CN 104200709A
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- virtual scene
- cleaning
- cleaning rod
- classroom
- motor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- User Interface Of Digital Computer (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a 4D (4-dimensional) classroom. The 4D classroom comprises a lighting control system, a loudspeaker, a head-mounted display, a somatosensory position capturing device, a movement controller and a round signal light. The head-mounted display is put on the head and used for displaying images in a virtual scene; the somatosensory position capturing device is used for capturing upper limb movements including positions of upper arms, forearms and hands to realize gesture recognition so as to perform interactive operation of the virtual scene; the movement controller is used for capturing foot movement, direction, moving speed and moving distance to control movement control modes of users in the virtual scene; the round signal light is used for displaying different colors to distinguish the user in current interaction with the virtual scene. For teaching innovation, the wearable display technology, the intelligent somatosensory technology and the three-dimensional simulation technology are introduced to focus on innovation of teaching contents, and students can experience the teaching contents with pleasures, so that edutainment is achieved, wisdom study is truly realized, and the 4D classroom assists schools in improvement of teaching methods to promote teaching quality.
Description
Technical field
The present invention relates to a kind of teaching equipment.
Background technology
In school, classroom instruction link is that student accepts the most important ring of Systems Education, allows student use both hands and feet and participates in teaching, give full play to various sense organs and go to experience the content that impression will be learnt, and be a kind of brand-new interactive teaching means.This brand-new form of teaching is the quality of grasping teaching link, improves the key of teaching level.In existing teaching process, the traditional link of registering, query are confirmed link, are putd question to interactive link, the little test link in classroom to have problems.Register in process, use paper to register, efficiency is low and exist allograph phenomenon, result to be not easy to teacher's statistics; Put question in the link of the little test of interactive link and classroom, teacher provides after simple selection, student raises one's hand or oral answer, can not obtain statistics accurately, teacher can only judge whether to impart knowledge to students according to cardinal principle situation, there is no data accurately, more can not consider data mining and the data statistics work in later stage.Traditional form of teaching has been not suitable with the needs of modernizing teaching.
In order to address the above problem, take special fund in central colleges and universities basic service and subsidize, be numbered under the project support of XDJK2014C177, applicant has proposed a kind of new technological means.
Summary of the invention
The object of this invention is to provide a kind of 4D classroom.
To achieve these goals, by the following technical solutions: a kind of 4D classroom, is characterized in that: described 4D classroom comprises:
Lamp light control system: gather the optical sensor data that are arranged in classroom, according to preset value, 4D classroom central controller controls is taught the automatic open and close of indoor light, and regulates the brightness of light;
Sound equipment: for playing sound;
Head mounted display: wear in head, for playing the image of virtual scene;
Body sense position capture device; Catch people's upper limbs action, comprise the position of large arm, forearm and hand, realize gesture motion identification, thereby virtual scene is carried out to interactive operation;
Mobile controller: catch that people's step moves, direction, translational speed and displacement, realize the control of the mobile control mode to personage in virtual scene;
Circular signal lamp: by showing that different colors differentiates the current user who carries out interactive operation with virtual scene; Circular signal lamp comprises circular chassis, and chassis front surface is provided with luminophor, and clear glass protecgulum and the chassis of arc are installed together.
User puts on after helmet-mounted display, and 4D classroom central controller is thrown in virtual scene to the display in helmet-mounted display, and user sees virtual scene; In playing virtual scene, sound equipment is play corresponding audio frequency; When user movement, body sense video camera catches upper limbs action, realizes gesture identification, carries out interaction with virtual scene; In the time that user moves, mobile controller is realized the control to personage's move mode in virtual scene; When certain user and virtual scene carry out when mutual, circular signal lamp lights corresponding color, for identifying user state.
Described 4D classroom also comprises carries out clean cleaning device to circular signal lamp, described cleaning device comprises two cleaning rods, wherein the rotation axis of the center of the first cleaning rod and the first motor joins, the rotation axis of the center of the second cleaning rod and the second motor joins, the support of the first motor and the second motor is separately fixed on first rotating arm end and the second pivot arm end, the other end of first rotating arm and the second pivot arm is fixed on the first rotating cylinder and the second rotating cylinder, the first rotating cylinder and the second rotating cylinder are enclosed within on the central tube that is fixed on circular signal lamp circle centre position, the dorsal edge place of signal lamp has the flange of protrusion, on first rotating arm and the second pivot arm, be also provided with the one one motor and the two or two motor, on the rotation axis of the one one motor and the two or two motor, be separately installed with two cylinders, two cylinders are all tight with the inner side edge wall pressure of flange, in the time that the rotation axis of the one one motor and the two or two motor rotates, two also corresponding rotations of cylinder, and then drive first rotating arm and the rotation of the second pivot arm, thus the first cleaning rod and the second cleaning rod are moved around the outer rim of circular signal lamp,
On the first cleaning rod and the second cleaning rod, be wound with cleaning cloth, wherein one end of cleaning cloth is fixed on the first cleaning rod, cleaning cloth is wrapped on the first cleaning rod along counterclockwise direction, the other end of cleaning cloth is fixed on the second cleaning rod, is wound around the cleaning cloth of signal lamp radius length on the second cleaning rod according to clockwise direction simultaneously; Top at the first cleaning rod and the second cleaning rod is also fixed with respectively two position transducers.
The present invention is from the angle of teaching innovation, introduce Wearable display technique, intelligent body sense technology and three-dimensional simulation technique, have innovation in mind from the content of courses, make the student can be in the middle experience content of courses of travelling, reach the effect of teaching through lively activities, the real wisdom chemistry of having accomplished is practised, intelligent management, out and out help school improves form of teaching, promotes teaching quality.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the cleaning device in the present embodiment 1 is arranged on the Facad structure schematic diagram on circular signal lamp;
Fig. 3 is that the cleaning device in the present embodiment 1 is arranged on the structure schematic diagram on circular signal lamp;
Fig. 4 is the sectional view of A-A in Fig. 3;
Fig. 5 is when the second pivot arm of cleaning device in embodiment 1 is positioned at directly over signal lamp, structural representation when first rotating arm is positioned under signal lamp;
Fig. 6 is the sectional view of C-C in Fig. 5;
Fig. 7 is the enlarged drawing of B in Fig. 6;
Fig. 8 is the structural representation of cleaning rod;
Fig. 9 is the sectional view of the cleaning cloth in the middle of cleaning device in embodiment 2;
Figure 10 is the vertical view of Fig. 9.
In figure, 1 is the first cleaning rod, and 2 is the second cleaning rod, cylinder centered by 3,3-1 is the first rotating cylinder, 3-2 is the second rotating cylinder, 4 is first rotating arm, and 5 is the second pivot arm, and 6 is the first cylinder, 7 is second tin roller, and 8 is position transducer, and 9 is the first motor, 10 is glass shell, and 11 is flange, and 12 is the one one motor, 13 is signal lamp, and 14 is cleaning cloth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, a kind of 4D classroom, described 4D classroom comprises:
Lamp light control system: gather the optical sensor data that are arranged in classroom, according to preset value, 4D classroom central controller controls is taught the automatic open and close of indoor light, and regulates the brightness of light;
Sound equipment: for playing sound;
Head mounted display: wear in head, for playing the image of virtual scene;
Body sense position capture device; Catch people's upper limbs action, comprise the position of large arm, forearm and hand, realize gesture motion identification, thereby virtual scene is carried out to interactive operation;
Mobile controller: catch that people's step moves, direction, translational speed and displacement, realize the control of the mobile control mode to user in virtual scene;
Circular signal lamp: by showing that different colors differentiates the current user who carries out interactive operation with virtual scene;
User puts on after helmet-mounted display, and 4D classroom central controller is thrown in virtual scene to the display in helmet-mounted display, and user sees virtual scene; In playing virtual scene, sound equipment is play corresponding audio frequency; When user movement, body sense video camera catches upper limbs action, realizes gesture identification, carries out interaction with virtual scene; In the time that user moves, mobile controller is realized the control to user's move mode; When certain user and virtual scene carry out when mutual, circular signal lamp lights corresponding color, for identifying user state.
Head mounted display is existing technology, adopts 110 ° of full visual field binary channels stereo display schemes.And realize head by 9 degree of freedom sensors of three-axis gyroscope, triaxial accelerometer and three axle magnetic compasses and catch dynamically, realize the control mode to the approximate human eye of real-time pictures camera.
Head mounted display amplifies the image on ultra micro display screen by one group of optical system (being mainly precision optics lens), by image projection on retina, and then being presented in large-screen image in beholder's eye, image point says to be exactly to take magnifier to see that object presents the dummy object image of amplification.Sight tracking function strengthens the interactive of display greatly, and the passive imaging system before comparing is a quantum jump.Wearer only needs " winking ", without starting, just can send instruction.Such as the expression page turning of eyeing right, can lower file automatically along with sight moves down computing machine.
The step that mobile controller can catch people moves, direction, translational speed, displacement and trunk form, realizes the control of the mobile control mode to user in virtual scene.
Body sense position capture device can catch by camera or infrared sensor people's upper limbs action, comprises the position of large arm, forearm and hand, realizes gesture motion identification, thereby virtual scene is carried out to interactive operation.
Be 201110458610.2 at application number, the applying date is on Dec 31st, 2011, and name is called in the application documents of " a kind of virtual reality system ", has specifically introduced how to realize the action simulation in real world be the motion in virtual reality.
As shown in Fig. 2 to Fig. 8, signal lamp cleaning device, described cleaning device comprises two cleaning rods, wherein the rotation axis of the center of the first cleaning rod 1 and the first motor 9 joins, the rotation axis of the center of the second cleaning rod 2 and the second motor joins, the support of the first motor and the second motor is separately fixed on first rotating arm 4 ends and the second pivot arm 5 ends, the other end of first rotating arm and the second pivot arm is fixed on the first rotating cylinder 3-1 and the second rotating cylinder 3-2, the first rotating cylinder and the second rotating cylinder are enclosed within on the central tube 3 that is fixed on circular signal lamp 13 circle centre positions, the dorsal edge place of signal lamp has the flange 11 of protrusion, on first rotating arm and the second pivot arm, be also respectively arranged with the one one motor the 12 and the 22 motor, on the rotation axis of the one one motor and the two or two motor, be separately installed with the first cylinder 6 and second tin roller 7, two cylinders are all tight with the inner side edge wall pressure of flange, in the time that the rotation axis of the one one motor and the two or two motor rotates, two also corresponding rotations of cylinder, and then drive first rotating arm and the rotation of the second pivot arm, thus the first cleaning rod and the second cleaning rod are around the outer rim motion of circular signal lamp,
On the first cleaning rod 1 and the second cleaning rod 2, be wound with cleaning cloth 14, wherein one end of cleaning cloth is fixed on the first cleaning rod, cleaning cloth is wrapped on the first cleaning rod along counterclockwise direction, the other end of cleaning cloth is fixed on the second cleaning rod, is wound around the cleaning cloth of signal lamp radius length on the second cleaning rod according to clockwise direction simultaneously; Top at the first cleaning rod and the second cleaning rod is also fixed with respectively two position transducers 8;
On the first cleaning rod, be wound around the initiating terminal of cleaning cloth, on the second cleaning rod, be wound around the clearing end of cleaning cloth.Under original state, together with the first cleaning rod abuts against with the second cleaning rod, on the second cleaning rod, be wound with the clean cleaning cloth of a signal lamp radius length.In the time that needs clean signal lamp, the one one motor and the operation of the two or two motor, make two pivot arms relatively away from motion, the first motor and the operation of the second motor simultaneously, the first cleaning rod is rotated counterclockwise with the second cleaning rod and turns clockwise, the cleaning cloth being connected on the first cleaning rod and the second cleaning rod extends, along with the motion of two pivot arms, the watch crystal housing 10 that cleaning cloth is positioned at signal lamp slides, surface to lamp is cleaned, in the time that two pivot arms are straight line, now two distance maximums that position transducer senses, pivot arm continues rotation, the distance that two position transducers sense starts to reduce, now, the first cleaning rod and the second cleaning rod all change sense of rotation, the cleaning cloth that is positioned at lamp surface shortens, can ensure that like this cleaning cloth that is positioned at lamp surface is in tight state, to obtain good cleaning effect.After clean, two cleaning rods abut against again together, the distance that now position transducer senses is again for minimum, two cleaning rods are all rotated counterclockwise, dirty cleaning cloth is rolled onto on the second cleaning cloth, and the cleaning cloth of a lamp radius length of multireel again on the second cleaning rod, waits for next cleaning.
Switching and the rotating of all motors of its middle controller control, the signal of receiving position sensor simultaneously, carry out Electric Machine Control according to the situation of signal according to flow process above, the signal transmission between controller and motor and position transducer can adopt wired or wireless mode.
Embodiment 2: as different from Example 1, the shape difference of cleaning cloth 14, cloth in embodiment 1 is common rectangle cloth, as shown in Figure 9 and Figure 10, the cross section of the cleaning cloth in embodiment 2 is circular arc, cleaning cloth is formed by connecting by plural arc cloth, and the shape of the arc glass on the shape of arc cloth and signal lamp surface matches.In the process of wiping, can better carry out wiping to signal lamp like this, when winding just according to being directly wrapped on cleaning rod shown in Fig. 8.In addition, be wound around cleaning cloth on the first cleaning rod and the second cleaning rod in, can a little cloth be served toward the below of cleaning rod, what can make like this that the clean cloth of arc contacts with the cambered surface of signal lamp is tightr, to obtain better cleaning effect.
Embodiment 3: as different from Example 1, the outer rim of two cylinders has gear, the inner side of the flange at the dorsal edge place of signal lamp is around there being the tooth bar being meshed with gear.In the time of two drum rotatings, the better rotation of driven rotary arm, occurs with the situation of anti-slip like this.
Embodiment 4: as different from Example 2, the outer rim of two cylinders has gear, the inner side of the flange at the dorsal edge place of signal lamp is around there being the tooth bar being meshed with gear.In the time of two drum rotatings, the better rotation of driven rotary arm, occurs with the situation of anti-slip like this.
Claims (2)
1. a 4D classroom, is characterized in that: described 4D classroom comprises:
Lamp light control system: gather the optical sensor data that are arranged in classroom, according to preset value, 4D classroom central controller controls is taught the automatic open and close of indoor light, and regulates the brightness of light;
Sound equipment: for playing sound;
Head mounted display: wear in head, for playing the image of virtual scene;
Body sense position capture device; Catch people's upper limbs action, comprise the position of large arm, forearm and hand, realize gesture motion identification, thereby virtual scene is carried out to interactive operation;
Mobile controller: catch that people's step moves, direction, translational speed and displacement, realize the control of the mobile control mode to personage in virtual scene;
Circular signal lamp: by showing that different colors differentiates the current user who carries out interactive operation with virtual scene; Circular signal lamp comprises circular chassis, and chassis front surface is provided with luminophor, and clear glass protecgulum and the chassis of arc are installed together;
User puts on after helmet-mounted display, and 4D classroom central controller is thrown in virtual scene to the display in helmet-mounted display, and user sees virtual scene; In playing virtual scene, sound equipment is play corresponding audio frequency; When user movement, body sense video camera catches upper limbs action, realizes gesture identification, carries out interaction with virtual scene; In the time that user moves, mobile controller is realized the control to personage's move mode in virtual scene; When certain user and virtual scene carry out when mutual, circular signal lamp lights corresponding color, for identifying user state.
2. 4D as claimed in claim 1 classroom, it is characterized in that: described 4D classroom also comprises carries out clean cleaning device to circular signal lamp, described cleaning device comprises two cleaning rods, wherein the rotation axis of the center of the first cleaning rod and the first motor joins, the rotation axis of the center of the second cleaning rod and the second motor joins, the support of the first motor and the second motor is separately fixed on first rotating arm end and the second pivot arm end, the other end of first rotating arm and the second pivot arm is fixed on the first rotating cylinder and the second rotating cylinder, the first rotating cylinder and the second rotating cylinder are enclosed within on the central tube that is fixed on circular signal lamp circle centre position, the dorsal edge place of signal lamp has the flange of protrusion, on first rotating arm and the second pivot arm, be also provided with the one one motor and the two or two motor, on the rotation axis of the one one motor and the two or two motor, be separately installed with two cylinders, two cylinders are all tight with the inner side edge wall pressure of flange, in the time that the rotation axis of the one one motor and the two or two motor rotates, two also corresponding rotations of cylinder, and then drive first rotating arm and the rotation of the second pivot arm, thus the first cleaning rod and the second cleaning rod are moved around the outer rim of circular signal lamp,
On the first cleaning rod and the second cleaning rod, be wound with cleaning cloth, wherein one end of cleaning cloth is fixed on the first cleaning rod, cleaning cloth is wrapped on the first cleaning rod along counterclockwise direction, the other end of cleaning cloth is fixed on the second cleaning rod, is wound around the cleaning cloth of signal lamp radius length on the second cleaning rod according to clockwise direction simultaneously; Top at the first cleaning rod and the second cleaning rod is also fixed with respectively two position transducers.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201610326320.5A CN105869449B (en) | 2014-09-19 | 2014-09-19 | 4D classroom |
CN201610325418.9A CN105741627B (en) | 2014-09-19 | 2014-09-19 | A kind of 4D classrooms |
CN201410480342.8A CN104200709B (en) | 2014-09-19 | 2014-09-19 | A kind of 4D classroom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410480342.8A CN104200709B (en) | 2014-09-19 | 2014-09-19 | A kind of 4D classroom |
Related Child Applications (2)
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CN201610325418.9A Division CN105741627B (en) | 2014-09-19 | 2014-09-19 | A kind of 4D classrooms |
CN201610326320.5A Division CN105869449B (en) | 2014-09-19 | 2014-09-19 | 4D classroom |
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CN104200709A true CN104200709A (en) | 2014-12-10 |
CN104200709B CN104200709B (en) | 2016-07-06 |
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CN201410480342.8A Expired - Fee Related CN104200709B (en) | 2014-09-19 | 2014-09-19 | A kind of 4D classroom |
CN201610326320.5A Expired - Fee Related CN105869449B (en) | 2014-09-19 | 2014-09-19 | 4D classroom |
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CN201610326320.5A Expired - Fee Related CN105869449B (en) | 2014-09-19 | 2014-09-19 | 4D classroom |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104616544A (en) * | 2015-03-12 | 2015-05-13 | 马盼盼 | Intelligent teaching system |
CN104731343A (en) * | 2015-04-14 | 2015-06-24 | 上海云富网络科技有限公司 | Virtual reality man-machine interaction children education experience system based on mobile terminal |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100159430A1 (en) * | 2008-12-22 | 2010-06-24 | Electronics And Telecommunications Research Institute | Educational system and method using virtual reality |
CN201853377U (en) * | 2010-06-01 | 2011-06-01 | 丁莉雯 | Classroom device for visual interactive teaching system |
CN102822869A (en) * | 2010-01-22 | 2012-12-12 | 索尼电脑娱乐美国公司 | Capturing views and movements of actors performing within generated scenes |
CN203795796U (en) * | 2014-04-25 | 2014-08-27 | 重庆大学 | Intelligent classroom floor |
CN104008678A (en) * | 2014-06-06 | 2014-08-27 | 杨安康 | Intelligent network terminal for collecting and encrypting classroom teaching multimedia information in real time and working method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203122319U (en) * | 2012-06-22 | 2013-08-14 | 赵峰 | Multifunctional electric cleaning cloth |
CN104346973B (en) * | 2014-08-01 | 2015-09-23 | 西南大学 | A kind of teaching 4D wisdom classroom |
-
2014
- 2014-09-19 CN CN201410480342.8A patent/CN104200709B/en not_active Expired - Fee Related
- 2014-09-19 CN CN201610326320.5A patent/CN105869449B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100159430A1 (en) * | 2008-12-22 | 2010-06-24 | Electronics And Telecommunications Research Institute | Educational system and method using virtual reality |
CN101763762A (en) * | 2008-12-22 | 2010-06-30 | 韩国电子通信研究院 | Educational system and method using virtual reality |
CN102822869A (en) * | 2010-01-22 | 2012-12-12 | 索尼电脑娱乐美国公司 | Capturing views and movements of actors performing within generated scenes |
CN201853377U (en) * | 2010-06-01 | 2011-06-01 | 丁莉雯 | Classroom device for visual interactive teaching system |
CN203795796U (en) * | 2014-04-25 | 2014-08-27 | 重庆大学 | Intelligent classroom floor |
CN104008678A (en) * | 2014-06-06 | 2014-08-27 | 杨安康 | Intelligent network terminal for collecting and encrypting classroom teaching multimedia information in real time and working method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104616544A (en) * | 2015-03-12 | 2015-05-13 | 马盼盼 | Intelligent teaching system |
CN104731343A (en) * | 2015-04-14 | 2015-06-24 | 上海云富网络科技有限公司 | Virtual reality man-machine interaction children education experience system based on mobile terminal |
Also Published As
Publication number | Publication date |
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CN105869449B (en) | 2020-06-26 |
CN105869449A (en) | 2016-08-17 |
CN104200709B (en) | 2016-07-06 |
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