CN108280053B - A kind of method and device of the formula typesetting based on Mathtype - Google Patents
A kind of method and device of the formula typesetting based on Mathtype Download PDFInfo
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- CN108280053B CN108280053B CN201810090082.1A CN201810090082A CN108280053B CN 108280053 B CN108280053 B CN 108280053B CN 201810090082 A CN201810090082 A CN 201810090082A CN 108280053 B CN108280053 B CN 108280053B
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Abstract
The method and device for the formula typesetting based on Mathtype that the present invention provides a kind of, wherein method includes: to be embedded in MathML mathml and wmf picture in expandable mark language XML in advance；It calls formula editors Mathtype to carry out equation editing, and saves equation editing result；The equation editing result is exported into the PDF format file for being inserted into formula.The present invention is realizing editor and typesetting to formula from the composing system that XML file generates pdf document, has simple, efficient good effect compared in the prior art.
Description
Technical field
The present invention relates to slot man technical fields, in particular to a kind of formula typesetting based on Mathtype
Method and device.
Background technique
From the composing system that XML file generates pdf document, typesetting personnel are public sometimes for insertion mathematics in the content
Formula；Problems faced is shared in the operating process: how to indicate these formula in xml, how to edit these formula, how from
XML generates last formula in PDF.In the prior art, typically by retaining a representation formula in XML file
XML tag, content are Latex formats, and user is raw in typesetting by using the part Latex in text editor XML
XML is first pre-processed when at pdf document, all Latex codes are extracted, calls latex to generate formula, is then closed when typesetting
And these formula are finally inserted the corresponding position of PDF into pdf document；The program the problem is that: system effectiveness compared with
Low, occupying system resources are excessively high when typesetting.And these Latex codes of none good method editor, due to answering for Latex
Polygamy occurs also being not easy debug when Latex mistake；It thus needs user to have good Latex and uses technical ability, it is right
User's is more demanding.
Summary of the invention
In view of this, the method for the purpose of the present invention is to provide a kind of formula typesetting based on Mathtype, to improve
To the efficiency of equation editing and typesetting in the composing system from XML file generation pdf document.
In a first aspect, the method for the embodiment of the invention provides a kind of formula typesetting based on Mathtype, comprising:
MathML mathml and wmf picture are embedded in expandable mark language XML；
It calls formula editors Mathtype to carry out equation editing, and saves equation editing result；
The equation editing result is exported into the PDF format file for being inserted into formula.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
It states and is embedded in MathML mathml and wmf picture in expandable mark language XML, comprising:
The label of representation formula is defined in xml, and the content of the label includes: mathml format content and wmf picture
Format content；
By the Software Development Kit SDK of Mathtype, by the object connection of Mathtype and insertion OLE formatted data
It is inserted in the wmf picture of the formula as annotations.
With reference to first aspect or the first possible embodiment of first aspect, the embodiment of the invention provides first
The possible embodiment of second of aspect, wherein the calling formula editors Mathtype carries out equation editing, and saves
Equation editing result, comprising:
In response to the operational order of user, the content of the label of definition is obtained, the content of the label is transferred to
Mathtype edits assistant；
Assistant is edited by the Mathtype to handle the formula content in the tag identifier formula, is made described
Formula content is in editable state；
The operation for saving formula in Mathtype in response to user edits assistant by Mathtype and calls Mathtype
Software open kit SDK, the formula is converted into numeral mark language, and generate the wmf format text comprising OLE data
The wmf formatted file is returned to XML publishing system, updates corresponding XML tag by part.
With reference to first aspect or the first possible embodiment of first aspect, the embodiment of the invention provides first
The third possible embodiment of aspect, wherein the equation editing result includes: wmf picture file；
The output equation editing result is into PDF format file, comprising:
The wmf picture file is parsed, formula size data is extracted；
Pre-typesetting goes out size area consistent with the formula size data in the pdf document for being inserted into formula
Domain；
Each the WMF drawing for order for the wmf picture file will be parsed obtaining is converted into PDF drawing for order, executes institute
PDF drawing for order is stated, the formula label in XML tag is drawn over the region as required；
Png file is generated according to PDF drawing for order, is provided for feeding back to user interface for diagram function；And then it is convenient for
The understanding and operation of user.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein described that assistant is edited in the formula in the tag identifier formula by the Mathtype
Appearance is handled, and the formula content is made to be in editable state, comprising:
Assistant is edited by Mathtype and checks the label data received, judges to whether there is in the wmf picture file
OLE annotation；
If there are OLE annotations in wmf picture file, these annotations are just extracted, Mathtype is called to open formula；
If there is no OLE to annotate in wmf picture file, Mathtype is called to open formula using mathml.
Second aspect, the device for the formula typesetting based on Mathtype that the embodiment of the invention also provides a kind of, comprising:
It is embedded in module, for being embedded in MathML mathml and wmf picture in expandable mark language XML；
Editor module for calling formula editors Mathtype to carry out equation editing, and saves equation editing result；
Output module, for exporting the equation editing result into the PDF format file for being inserted into formula.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein institute
State insertion module, comprising:
Definition unit, for defining the label of representation formula in xml, the content of the label includes: mathml format
Content and wmf picture format content；
Be inserted into unit, for by the Software Development Kit SDK of Mathtype, by the object connection of Mathtype with it is embedding
Enter OLE formatted data to be inserted in as annotations in the wmf picture of the formula.
In conjunction with the possible embodiment of the first of second aspect or second aspect, the embodiment of the invention provides second
The possible embodiment of second of aspect, wherein the editor module, comprising:
Transfer unit obtains the content of the label of definition for the operational order in response to user, will be in the label
Appearance is transferred to Mathtype and edits assistant；
Processing unit, for by the Mathtype edit assistant to the formula content in the tag identifier formula into
Row processing, makes the formula content be in editable state；
Converting unit is edited by Mathtype and is helped for saving the operation of formula in Mathtype in response to user
Hand adjustment opens kit SDK with the software of Mathtype, and the formula is converted into numeral mark language, and generating includes OLE number
According to wmf formatted file, the wmf formatted file is returned into XML publishing system, updates corresponding XML tag.
In conjunction with the possible embodiment of the first of second aspect or second aspect, the embodiment of the invention provides second
The third possible embodiment of aspect, wherein the equation editing result includes: wmf picture file；
The output module, comprising:
Resolution unit extracts formula size data for parsing the wmf picture file；
Pre-typesetting unit, in the pdf document for being inserted into formula pre-typesetting go out a size and the formula size
The consistent region of data；
Drawing unit, each the WMF drawing for order obtained for that will parse the wmf picture file, is converted into PDF and draws
Figure instruction, executes the PDF drawing for order, the formula label in XML tag is drawn over the region as required,
Generation unit is provided for feeding back to user interface for diagram for generating png file according to PDF drawing for order
Function；And then it is convenient for the understanding and operation of user.
In conjunction with second of possible embodiment of second aspect, the embodiment of the invention also provides the 4th of second aspect the
The possible embodiment of kind, wherein the processing unit is specifically used for:
Assistant is edited by Mathtype and checks the label data received, judges to whether there is in the wmf picture file
OLE annotation；
If there are OLE annotations in wmf picture file, these annotations are just extracted, Mathtype is called to open formula；
If there is no OLE to annotate in wmf picture file, Mathtype is called to open formula using mathml.
The method and device of a kind of formula typesetting based on Mathtype provided in an embodiment of the present invention, using Mathtype
Equation editing is carried out, the formula of editor is exported into the file of PDF format, in the typesetting system for generating pdf document from XML file
The editor to formula and typesetting are realized in system, and there is simple, efficient good effect compared in the prior art.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows a kind of stream of the method for the formula typesetting based on Mathtype provided by one embodiment of the invention
Journey schematic diagram；
Fig. 2 shows a kind of formula editors Mathtype provided by one embodiment of the invention to carry out equation editing
Method flow schematic diagram；
It is literary to PDF format that Fig. 3 shows a kind of output equation editing result provided by one embodiment of the invention
The flow diagram of the method for part；
Fig. 4 shows a kind of device of the formula typesetting based on Mathtype provided by another embodiment of the present invention
Structural schematic diagram；
Fig. 5 shows the structural schematic diagram of output module provided by another embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Middle attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the range of claimed invention, but is merely representative of selected reality of the invention
Apply example.Based on the embodiment of the present invention, those skilled in the art institute obtained without making creative work
There are other embodiments, shall fall within the protection scope of the present invention.
Formula is carried out in view of in the prior art, being frequently encountered in the composing system by XML file to pdf document
Editing and composing, lower using Latex progress equation editing efficiency, error-prone, interface is unfriendly, and to the Latex of user profession
Skill requirement is higher.And Mathematics Editing device Mathtype is a using very universal, threshold requirement is lower and very square
Just equation editing tool；Based on this, the method for the formula typesetting based on Mathtype that the embodiment of the invention provides a kind of and
Device is described below by embodiment.
Embodiment shown in referring to Fig.1 provides a kind of method of formula typesetting based on Mathtype in the present embodiment,
This method comprises the following steps:
S101, composing system are embedded in MathML mathml and wmf picture in expandable mark language XML；
Specifically, defining the label of representation formula in expandable mark language XML first, the content of the label includes:
Mathml format content and wmf picture format content；
By the Software Development Kit SDK of Mathtype, the OLE formatted data of Mathtype is inserted as annotations
Enter in the wmf picture of the formula；System allows for user to be edited formula again by editing picture in this way.
Illustratively, process defined above can be realized by following XML fragment:
<disp-formula id=" E1 ">
<label>(1)</label>
<mml:math id="E1">...</mml:math>
< graphic xmlns:xlink=" http://www.w3.org/1999/xlink " xlink:href="
E1.wmf"/>
</disp-formula>
Wherein, the label of the part lable representation formula, the mathml format content of Math representation formula, graphic are indicated
The picture format content of formula.The picture of wmf format is the formula picture that Mathtype is generated, is inserted into the picture
The notes content of the OLE formatted data of Mathtype.
S102, it calls formula editors Mathtype to carry out equation editing, and saves equation editing result；
Specifically, above-mentioned calling formula editors Mathtype carries out equation editing, and saves formula referring to shown in Fig. 2
Edited result includes the following steps:
S1021, extraction simultaneously parse XML tag content, while parsing the notes content in wmf picture, and content split is gone out
The OLE data of Mathtype；
S1022, start Mathtype and transmit OLE data for rendering；
S1023, when being saved after user normally modify, OLE data back is resolved into wmf annotation, and generates number
Label language language mathml and latex is learned, XML tag is write back to.
In XML publishing system, when user clicks the disp-formula of XML tag, system obtains complete under this label
Portion's content, the Mathtype of middle extra setup edits assistant through the invention, which is a program segment, will be under the label
Full content be transferred to Mathtype and edit assistant, assistant is edited in the tag identifier formula by the Mathtype
Formula content handled, so that the formula content is in editable state, specifically, Mathtype edit assistant obtain this
After full content under label, whether Mathtype edits assistant and further judges in the wmf picture to include OLE format number
According to if so, then extracting the OLE formatted data, calling Mathtype opens formula；If not including in the wmf picture has OLE
Formatted data, then system calls Mathtype to open formula by using mathml；After formula is opened, user can be to the public affairs
Formula is edited, and after editor completes, when user needs to save formula in Mathtype, the Mathtype of system, which is edited, to be helped
When hand captures the preservation operation of user, Mathtype, which edits assistant, can call the software of Mathtype to hold kit SDK, will edit
The formula of completion is converted into numeral mark language, and generates the wmf picture format file comprising OLE data, by the wmf picture
Formatted file returns to XML publishing system, updates corresponding XML tag.
S103, the output equation editing result are into the PDF format file for being inserted into formula.
Above-mentioned formula edited result includes: wmf picture file；
Referring to shown in Fig. 3, the above-mentioned output equation editing result specifically comprises the following steps: into PDF format file
S201, the parsing wmf picture file, extract formula size data；
It has been inserted into OLE formatted data in above-mentioned wmf picture file, has included formula size in the OLE formatted data
Data；
S202, to go out a size consistent with the formula size data for pre-typesetting in the pdf document for being inserted into formula
Reservation region；
S203, each the WMF drawing for order that will be parsed the wmf picture file and obtain, are converted into PDF drawing for order,
The PDF drawing for order is executed, the formula label in XML tag is plotted in as required on the reservation region.
S204, png file (image file storage format) is generated according to PDF drawing for order, for feeding back to user interface
It provides for illustrating function；And then it is convenient for the understanding and operation of user.
A kind of method of the formula typesetting based on Mathtype provided by the embodiment of the present invention, in the row by XML to PDF
In edition system, using formula editors Mathtype carry out formula editor and typesetting, have it is high-efficient, easy to use and to
The operative skill at family requires lower good effect.
In another embodiment of the invention, a kind of device of formula typesetting based on Mathtype is provided, referring to Fig. 4
Shown, which includes:
It is embedded in module 301, for being embedded in MathML mathml and wmf picture in expandable mark language XML；
Editor module 302 for calling formula editors Mathtype to carry out equation editing, and saves equation editing knot
Fruit；
Output module 303, for exporting the equation editing result into the PDF format file for being inserted into formula.
Above-mentioned insertion module, comprising:
Definition unit, for defining the label of representation formula in xml, the content of the label includes: mathml format
Content and wmf picture format content；
Be inserted into unit, for by the Software Development Kit SDK of Mathtype, by the object connection of Mathtype with it is embedding
Enter OLE formatted data to be inserted in as annotations in the wmf picture of the formula.
Above-mentioned editor module, comprising:
Transfer unit obtains the content of the label of definition for the operational order in response to user, will be in the label
Appearance is transferred to Mathtype and edits assistant；
Processing unit, for by the Mathtype edit assistant to the formula content in the tag identifier formula into
Row processing, makes the formula content be in editable state；
Converting unit is edited by Mathtype and is helped for saving the operation of formula in Mathtype in response to user
Hand adjustment opens kit SDK with the software of Mathtype, and the formula is converted into numeral mark language, and generating includes OLE number
According to wmf formatted file, the wmf formatted file is returned into XML publishing system, updates corresponding XML tag.
In the present embodiment, the equation editing result includes: wmf picture file；
Referring to Figure 5, above-mentioned output module, comprising:
Resolution unit 401 extracts formula size data for parsing the wmf picture file；
Pre-typesetting unit 402, for pre-typesetting to go out a size in the pdf document for being inserted into formula and the formula is big
The consistent region of small data；
Drawing unit 403, each the WMF drawing for order obtained for that will parse the wmf picture file, is converted into
PDF drawing for order executes the PDF drawing for order, the formula label in XML tag is drawn over the region as required；
Generation unit 404 is provided for feeding back to user interface for figure for generating png file according to PDF drawing for order
Show function；And then it is convenient for the understanding and operation of user.
Above-mentioned processing unit, is specifically used for:
Assistant is edited by Mathtype and checks the label data received, judges to whether there is in the wmf picture file
OLE annotation；
If there are OLE annotations in wmf picture file, these annotations are just extracted, Mathtype is called to open formula；
If there is no OLE to annotate in wmf picture file, Mathtype is called to open formula using mathml
The computer program product of the method for the formula typesetting based on Mathtype is carried out provided by the embodiment of the present invention,
Computer readable storage medium including storing program code, the instruction that said program code includes can be used for executing front side
Method method as described in the examples, specific implementation can be found in embodiment of the method, and details are not described herein.
A kind of device of the formula typesetting based on Mathtype provided by the embodiment of the present invention can be the spy in equipment
Determine hardware or the software being installed in equipment or firmware etc..Device provided by the embodiment of the present invention, realization principle and production
Raw technical effect is identical with preceding method embodiment, and to briefly describe, Installation practice part does not refer to place, before can refer to
State corresponding contents in embodiment of the method.It is apparent to those skilled in the art that for convenience and simplicity of description,
System, the specific work process of device and unit of foregoing description, the corresponding process during reference can be made to the above method embodiment,
Details are not described herein.
In embodiment provided by the present invention, it should be understood that disclosed device and method, it can be by others side
Formula is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only one kind are patrolled
Function division is collected, there may be another division manner in actual implementation, in another example, multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some communication interfaces, device or unit
It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in embodiment provided by the invention can integrate in one processing unit, it can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing, in addition, term " the
One ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention.Should all it cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. a kind of method of the formula typesetting based on Mathtype characterized by comprising
The label of representation formula is defined in expandable mark language XML, the content of the label includes: mathml format content
With wmf picture format content；
By the Software Development Kit SDK of formula editors Mathtype, by the object connection and insertion of the Mathtype
OLE formatted data is inserted in as annotations in the wmf picture of the formula；
In response to the operational order of user, the content of the label of definition is obtained, the content of the label is transferred to Mathtype
Editor assistant；
Assistant is edited by the Mathtype to handle the formula content in the tag identifier formula, makes the formula
Content is in editable state；
The operation for saving formula in Mathtype in response to user is edited described in assistant's calling by the Mathtype
The formula is converted into numeral mark language, and generated comprising OLE data by the Software Development Kit SDK of Mathtype
The wmf picture format file is returned to XML publishing system, updates corresponding XML tag by wmf picture format file；
Equation editing result is exported into the PDF format file for being inserted into formula, the equation editing result includes: wmf picture
Formatted file.
2. the method according to claim 1, wherein the output equation editing result is to being inserted into formula
In PDF format file, comprising:
The wmf picture format file is parsed, formula size data is extracted；
Pre-typesetting goes out the reservation consistent with the formula size data of a size in the PDF format file for being inserted into formula
Region；
Each the WMF drawing for order for the wmf picture format file will be parsed obtaining is converted into PDF drawing for order, executes institute
PDF drawing for order is stated, the formula label in XML tag is plotted in as required on the reservation region；
Png file is generated according to the PDF drawing for order, is provided for feeding back to user interface for diagram function；And then it is convenient for
The understanding and operation of user.
3. the method according to claim 1, wherein described edit assistant to the mark by the Mathtype
Formula content in label mark formula is handled, and the formula content is made to be in editable state, comprising:
Assistant is edited by Mathtype and checks the label data received, judges to infuse in the wmf picture file with the presence or absence of OLE
It releases；
If there are OLE annotations in wmf picture file, these annotations are just extracted, mathpe is called to open formula；
If there is no OLE to annotate in wmf picture file, Mathtype is called to open formula using mathml.
4. a kind of device of the formula typesetting based on Mathtype characterized by comprising
It is embedded in module, for defining the label of representation formula in expandable mark language XML, the content of the label includes:
Mathml format content and wmf picture format content；
By the Software Development Kit SDK of formula editors Mathtype, by the object connection and insertion of the Mathtype
OLE formatted data is inserted in as annotations in the wmf picture of the formula；
Editor module obtains the content of the label of definition for the operational order in response to user, and the content of the label is passed
It is handed to Mathtype and edits assistant；
Assistant is edited by the Mathtype to handle the formula content in the tag identifier formula, makes the formula
Content is in editable state；
The operation for saving formula in the Mathtype in response to user is edited described in assistant's calling by the Mathtype
The software of Mathtype opens kit SDK, the formula is converted into numeral mark language, and generate the wmf comprising OLE data
The wmf picture format file is returned to XML publishing system, updates corresponding XML tag by picture format file；
Output module, for exporting equation editing result into the PDF format file for being inserted into formula, the equation editing result
It include: wmf picture format file.
5. device according to claim 4, which is characterized in that the output module, comprising:
Resolution unit extracts formula size data for parsing the wmf picture format file；
Pre-typesetting unit, in the PDF format file for being inserted into formula pre-typesetting go out a size and the formula size
The consistent region of data；
Drawing unit, each the WMF drawing for order obtained for that will parse the wmf picture format file, is converted into PDF and draws
Figure instruction, executes the PDF drawing for order, the formula label in XML tag is drawn over the region as required；
Generation unit is provided for feeding back to user interface for diagram function for generating png file according to PDF drawing for order；
And then it is convenient for the understanding and operation of user.
6. device according to claim 4, which is characterized in that in the editor module, edited by the Mathtype
Assistant handles the formula content in the tag identifier formula, so that the formula content is in editable state, specifically
For:
Assistant is edited by Mathtype and checks the label data received, judges to infuse in the wmf picture file with the presence or absence of OLE
It releases；
If there are OLE annotations in wmf picture file, these annotations are just extracted, Mathtype is called to open formula；
If there is no OLE to annotate in wmf picture file, Mathtype is called to open formula using mathml.
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| CN102779118A (en) * | 2012-07-17 | 2012-11-14 | 周广超 | Paper typesetting method and system |
| CN104679726A (en) * | 2013-12-03 | 2015-06-03 | 北大方正集团有限公司 | Type setting method and device of word files |
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| MathType在高等代数试题库实现中的应用研究;任治斌;《信息技术》;20120221;第2011年卷(第9期);第45-47页 |
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