CN103490809B - A kind of satellite data transmission system - Google Patents
A kind of satellite data transmission system Download PDFInfo
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- CN103490809B CN103490809B CN201310397257.0A CN201310397257A CN103490809B CN 103490809 B CN103490809 B CN 103490809B CN 201310397257 A CN201310397257 A CN 201310397257A CN 103490809 B CN103490809 B CN 103490809B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 107
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 238000001228 spectrum Methods 0.000 claims description 7
- 230000000717 retained effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
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- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
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- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
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Abstract
The invention discloses a kind of satellite data transmission system, including front end system, satellite and terminal system, front end system includes front end content typing module, front end content processing module and front end pusher;Terminal system includes that terminal receives device and terminal content processing module;Wherein, front end content processing module includes ID generation module;Terminal content processing module includes ID matching module and memory module and first terminal curriculum offering module;ID generation module generates random ID attribute and fixing ID attribute according to the requirement of content-data, has the content-data of fixing ID attribute for forcing to retain data;First terminal curriculum offering module retains data to pressure and is configured, and when forcing reservation data to be deleted or change, makes terminal system not allow this carrying out operated.By front end, important content-data is arranged fixing ID attribute, prevent terminal unit from arbitrarily deleting important content data, improve the safety of content-data.
Description
Technical field
The present invention relates to satellite information transmission technique field, particularly relate to a kind of satellite data and pass
Communication system.
Background technology
At present, ICBM SHF satellite terminal is used to receive, play and store TV or broadcast program becomes one
The trend of kind, is directly to deliver sound with satellite network to having the user terminal received with ability to play
The distribution service of the digital products such as picture, electron reading, game, software, industry Zone Information, and
Copyright authentication and management is carried out when user uses.
Satellite to the delivery distribution process of user terminal is: by the digital publication of legal publication,
After treatment, delivering storage by satellite and receive terminal to user, user passes through computer, electricity
The equipment browse application such as screen curtain, portable terminal device.Satellite digital distribution have wide coverage,
Spread speed is fast, content quality high, by very big concern in the industry after releasing, opens
Open the brand-new visual field in digital publishing field.
The data received are preserved by current user terminal, if storage is the fullest, then certainly
Dynamic deletion data the earliest, use first in first out principle preserve data, or, user according to
Some unwanted data messages periodically deleted by the needs of oneself.It is to say, current user
Terminal is completely by user's Self-operating.Its information to be pushed can not be carried out by headend equipment
Being effectively protected, user can arbitrarily delete unwanted information, due to user to system not
Understand or some other needs data to be saved, after being deleted by user, affect system
Performance.Having one section of advertisement video in such as program switching procedure, front end pushes and the most no longer pushes,
During program switches, needing a period of time, system plays this section of advertisement video automatically,
If after being destroyed or deleting, terminal unit can not be properly functioning.
Therefore exist following not enough: its significant data pushed can not be carried out by headend equipment
Being effectively protected, terminal can arbitrarily delete some data needing to force to retain, these data
After Bei Shanchuing, the performance of system can be affected or affect the application of terminal unit.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of satellite data transmission system, solves front end
Its significant data pushed can not be effectively protected by equipment, prevents terminal from arbitrarily deleting
Except needing to force the technical problem of the data of reservation.
To achieve these goals, the invention provides a kind of satellite data transmission system, including
Front end system, satellite and terminal system, described front end system includes for typing to be pushed
The front end content typing module of content-data, for the front end that described content-data is processed
Content processing module and for pushing the front end pusher of described content-data;Described terminal system
System includes that the terminal for receiving described content-data receives device and for processing described content number
According to terminal content processing module;Described content-data is pushed to institute by described front end pusher
State the reception system of satellite, be then pushed to described terminal by the supplying system of described satellite and receive
Device;Wherein, described front end content processing module includes for generating the described content-data of propelling movement
Frequency spectrum frequency spectrum distribution module and for generate described content-data ID attribute ID generate mould
Block;Described terminal content processing module includes being selected by the ID attribute of the described content-data of coupling
Selecting property receives the ID matching module of the content-data that described terminal system needs and stores described content
It is installed with in the memory module of data and first terminal that described content-data is reset
Put module;Described ID generation module according to the requirement of described content-data generate random ID attribute and
Fixing ID attribute, the described content-data with described random ID attribute is random data, has
The described content-data of described fixing ID attribute is for forcing to retain data;Described first terminal content
Arranging module forces reservation data to be configured to described, forces reservation data to be deleted when described
Or during change, make terminal system not allow this carrying out operated.
Further, described terminal content processing module also includes content feed module, described before
End system also includes feedback processing modules;
Described content feed module: for described pressure is retained data through described reception system)
Described feedback processing modules is fed back to described supplying system, or for described pressure encumbrance
Described feedback processing modules is fed back to according to through network system;
Described feedback processing modules includes the first feedback processing modules;
Described first feedback processing modules judges whether the described requirement forcing to retain data becomes
Changing, if being not changed in, not processing, if changing, described feedback processing modules refers to
Show that described front end system or described front end content processing module again push and have new ID attribute
The described described pressure forcing to store in the reservation data described memory module of replacement retains data.
Further, described feedback processing modules also includes the second feedback processing modules;Described
Two feedback processing modules are for judging that described pressure retains data and storage in described front end system
The described quantity forcing to retain data and content are the most consistent, if inconsistent, it indicates that described
Front end system or described front end content processing module push the institute of storage in described front end system again
State pressure and retain data.
Further, described front end system includes the first searching module, described feedback processing modules
Including the 3rd feedback processing modules;Described 3rd feedback processing modules is used for judging that described pressure is protected
Whether the quantity of residual evidence and content retain less than the described pressure of storage in described front end system
The quantity of data and content, if being less than, described first finds module finds out described front end system
The unnecessary described pressure of storage retains data, indicates described front end system or described front end content
Processing module again pushes described unnecessary described pressure and retains data.
Further, described front end system includes the second searching module, described feedback processing modules
Also include the 4th feedback processing modules;Described 4th feedback processing modules be additionally operable to judge described by force
Whether the quantity of system reservation data and content be more than the described pressure of storage in described front end system
Retaining quantity and the content of data, if being more than, described second finds module finds out unnecessary institute
State pressure and retain data, indicate described front end system or described front end content processing module to store institute
State unnecessary described pressure and retain data.
Further, described memory module includes forcing reserved area and random subregion;Described pressure
Retain data and be stored in described pressure reserved area.
Further, described pressure reserved area is divided into pressure reserved area, front end and terminal to force to retain
District, pressure reserved area, described front end is used for storing described pressure and retains data, and described terminal is forced
Reserved area is used for storing terminal unit or user needs the content-data that retains.
Further, described front end system also includes terminal request processing module;When described terminal
When forcing the content-data in reserved area to need to delete or change, connect described in described terminal system warp
Receipts system and described supplying system send solicited message to described terminal request processing module, described
Terminal request processing module processes described solicited message and deletes described in permission after checking
Terminal forces the content-data in reserved area;
Or when the content-data during described terminal forces reserved area needs to delete or change, described
Terminal system sends solicited message, described end through network system to described terminal request processing module
End request processing module processes described solicited message and deletes described end in permission after checking
End forces the content-data in reserved area.
Further, described terminal content processing module also includes that the second terminal content arranges module,
Described second terminal content arranges module for automatically putting into described terminal unit or user
Described terminal forces the content-data of reserved area to be fixed the setting of ID attribute.
At least there is techniques below effect in the embodiment of the present invention:
1) by front end, important content-data is arranged fixing ID attribute, prevent terminal unit not
Agree to through front end and delete some important content data, the content-data that raising front end is pushed
Safety;
2) by arranging partition holding, user is reminded to force the content-data unsuppressible-suppression of reserved area,
Meanwhile, user need retain content-data can be directly placed into pressure reserved area can protect
Stay, it is not necessary to extra encryption, improve the convenience of user operation;
3) by arranging feedback detection and again pushing measure, reach the purpose of force revert, carry
The high safety of important content-data.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of the embodiment of the present invention;
Fig. 2 is the system construction drawing of another embodiment of the present invention;
Fig. 3 is the system construction drawing of another embodiment of the present invention;
Fig. 4 is the system construction drawing of another embodiment of the present invention;
Reference: front end system 100, front end content typing module 101, front end contents processing
Module 102, frequency spectrum distribution module 1021, ID generation module 1022, front end pusher 103,
Feedback processing modules 104, the first feedback processing modules 1041, the second feedback processing modules 1042,
3rd feedback processing modules 1043, the 4th feedback processing modules 1044, first finds module 105,
Second finds module 106, satellite 200, receives system 201, supplying system 202, terminal system
System 300, terminal reception device 301, terminal content processing module 302, ID matching module 3021,
Memory module 3022, first terminal curriculum offering module 3023, content feed module 3024, the
Two terminal contents arrange module 3025, force reserved area 320, pressure reserved area, front end 3201,
Terminal forces reserved area 3202, random subregion 321.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close accompanying drawing specific embodiment is described in detail.
Fig. 1 is the system construction drawing of the embodiment of the present invention, as it is shown in figure 1, the embodiment of the present invention
Provide a kind of satellite data transmission system, including front end system 100, satellite 200 and terminal system
System 300, front end system 100 includes recording for the front end content of typing content-data to be pushed
Enter module 101, for the front end content processing module 102 that content-data is processed and for
Push the front end pusher 103 of content-data;Terminal system 300 includes for receiving content number
According to terminal receive device 301 and for processing the terminal content processing module 302 of content-data;
Content-data is pushed to the reception system 201 of satellite 200 by front end pusher 103, then by
The supplying system 202 of satellite 200 is pushed to terminal and receives device 301;Front end content processing module
102 include that the frequency spectrum for generating the frequency spectrum pushing content-data distributes module 1021 and for giving birth to
Become the ID generation module 1022 of the ID attribute of content-data;Terminal content processing module 302 is wrapped
Include the ID attribute by matching content data and carry out the content that selectivity reception terminal system 300 needs
The ID matching module 3021 of data and the memory module 3022 of storage content-data and to content
Data carry out the first terminal curriculum offering module 3023 reset;ID generation module 1022
Requirement according to content-data generates random ID attribute and fixing ID attribute, has random ID and belongs to
Property content-data be random data, there is the content-data of fixing ID attribute for forcing encumbrance
According to;First terminal curriculum offering module 3023 is to forcing reservation data to be configured, when forcing to protect
Residual, according to when being deleted or change, makes terminal system 300 not allow this carrying out operated.Front end
The content-data that pusher 103 pushes has ID attribute, and storage device storage has terminal to accept
The ID attributes match identifier of the content-data that device is to be accepted, only has and matching identification
The content-data of the ID attribute that symbol is associated just can be received device 301 by terminal and receive, and prevents
The information that some unnecessary information or user are not subscribed to is transferred to terminal system 300, takies end
The space of end system 300, affects the transmission speed etc. of data.
By front end, important content-data is arranged fixing ID attribute, prevent terminal unit the most premenstrual
End is agreed to and is deleted some important content data, improves the safety of the content-data that front end is pushed
Property.
According to the present invention, it is provided that another embodiment, as in figure 2 it is shown, at terminal content
Reason module 302 also includes that content feed module 3024, front end system 100 also include feedback processing
Module 104;Content feed module 3024 is for forcing to retain data through reception system 201
With supplying system 202 or ground network system feedback to feedback processing modules 104;Feedback processing mould
Block 104 includes the first feedback processing modules 1041;First feedback processing modules 1041 judges to force
Whether the requirement retaining data changes, if being not changed in, does not processes, if occurring
Change, feedback processing modules 104 indicates front end system 100 or front end content processing module 102
Again push to have in the pressure reservation data replacement memory module 3022 of new ID attribute and store
Pressure retain data.Because content-data and attribute moment thereof are all changing, system pair
In some from forcing to retain the content-data becoming need not force to retain, it is updated in time,
Prevent the data that need not force to retain from occupying the memory space forcing to retain data, also allow for using
The data that need not force to retain are operated by family early.
Feedback processing modules 104 also includes the second feedback processing modules 1042;Second feedback processing
Module 1042 is for judging the pressure encumbrance forcing to store in reservation data and front end system 100
According to quantity and content whether consistent, if inconsistent, it indicates that front end system 100 or front end
Content processing module 102 again pushes the pressure of storage in front end system 100 and retains data.By
Terminal system 300 program can be modified or caused some by poisoning intrusion in user
Need the loss of data forcing to retain, due to system self, cause loss of data, for
Defect present in solution system, front end system 100 to detect the content-data of terminal constantly,
Guarantee the safety of important content data.
According to the present invention, it is provided that another embodiment, as it is shown on figure 3, at terminal content
Reason module 302 also includes that content feed module 3024, front end system 100 also include feedback processing
Module 104;Content feed module 3024 is for forcing to retain data through reception system 201
With supplying system 202 or ground network system feedback to feedback processing modules 104;Front end system
100 also include the first searching module 105, and feedback processing modules 104 includes the 3rd feedback processing mould
Block 1043;3rd feedback processing modules 1043 is for the quantity judging to force to retain data and interior
Whether hold less than quantity and the content of forcing to retain data of storage in front end system 100, if
Being less than, first finds module 105 finds out the unnecessary pressure encumbrance of front end system 100 storage
According to, instruction front end system 100 or front end content processing module 102 push unnecessary pressure again
Retain data.
Front end system 100 also includes the second searching module 106, and feedback processing modules 104 also includes
4th feedback processing modules 1044;4th feedback processing modules 1044 is additionally operable to judge to force to retain
Whether the quantity of data and content retain data more than the pressure of storage in front end system 100
Quantity and content, if being more than, second finds module 106 finds out unnecessary pressure reservation data,
Instruction front end system 100 or front end content processing module 102 store unnecessary pressure and retain data.
In order to solve in a upper embodiment, need the terminal content loss of data forcing to retain,
And need to resend all of data, the present embodiment finds out the important content-data of loss,
Only again push the content-data of loss, so can reduce and use the frequency pushed.
According to the present invention, it is provided that another embodiment, as shown in Figure 4, memory module 3022
Including forcing reserved area 320 and random subregion 321;Force to retain data and be stored in pressure reservation
District 320.By arranging subregion, may remind the user that forcing the content-data of reservation 320 not
Operability, improves the convenience of user operation.Terminal system 300 as required, force
Reserved area 320 is divided into pressure reserved area, front end 3201 and terminal to force reserved area 3202, and front end is strong
Reserved area 3201 processed is used for storing pressure and retains data, and terminal forces reserved area 3202 to be used for depositing
Storage terminal unit or user need the content-data retained.Terminal content processing module 302 is also
Arranging module 3025 including the second terminal content, the second terminal content arranges module 3025 for certainly
Dynamic terminal of putting into terminal unit or user forces the content-data of reserved area 3202 to carry out admittedly
Determine ID attribute to arrange.Front end system 100 also includes terminal request processing module, when terminal is forced
When content-data in reserved area 3202 needs to delete or change, terminal system 300 is received and is
System 201 and supplying system 202 or ground network system send request to terminal request processing module
Information, terminal request processing module processes solicited message and deletes eventually in permission after checking
End forces the content-data in reserved area 3202.
Owing to user or terminal system 300 are also required to preserve some information that can not delete, often
Secondary user is required for carrying out attribute and arranges operation, and in the present embodiment, user is the east needing to preserve
Pressure reserved area 320 is put in west, casts out comparatively laborious operation.
From the foregoing, it will be observed that the embodiment of the present invention has the advantage that
1, by front end, important content-data is arranged fixing ID attribute, prevent terminal unit not
Agree to through front end and delete some important content data, the content-data that raising front end is pushed
Safety;
2, by arranging partition holding, user is reminded to force the content-data unsuppressible-suppression of reserved area,
Meanwhile, user need retain content-data can be directly placed into pressure reserved area can protect
Stay, it is not necessary to extra encryption, improve the convenience of user operation;
3, by arranging feedback detection and again pushing measure, reach the purpose of force revert, carry
The high safety of important content-data.
The above is only the preferred embodiment of the present invention, it is noted that lead for this technology
For the those of ordinary skill in territory, under the premise without departing from the principles of the invention, it is also possible to make
Some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. a satellite data transmission system, including front end system (100), satellite (200) and terminal system (300), described front end system (100) includes front end content typing module (101) for typing content-data to be pushed, for the front end content processing module (102) processing described content-data with for pushing the front end pusher (103) of described content-data;
Described terminal system (300) includes that the terminal for receiving described content-data receives device (301) and for processing the terminal content processing module (302) of described content-data;
Described content-data is pushed to the reception system (201) of described satellite (200) by described front end pusher (103), is then pushed to described terminal by the supplying system (202) of described satellite and receives device (301);
It is characterized in that,
Described front end content processing module (102) includes frequency spectrum distribution module (1021) for generating the frequency spectrum pushing described content-data and for generating the ID generation module (1022) of the ID attribute of described content-data;
Described terminal content processing module (302) includes the ID matching module (3021) being carried out the content-data that the selectivity described terminal system of reception (300) needs by the ID attribute of the described content-data of coupling and the memory module (3022) storing described content-data and first terminal curriculum offering module (3023) resetting described content-data;
Described ID generation module (1022) generates random ID attribute and fixing ID attribute according to the requirement of described content-data, the described content-data with described random ID attribute is random data, has the described content-data of described fixing ID attribute for forcing to retain data;
Described first terminal curriculum offering module (3023) retains data to described pressure and is configured, and when described pressure reservation data are deleted or change, makes terminal system (300) not allow this carrying out operated;
Described terminal content processing module (302) also includes that content feed module (3024), described front end system (100) also include feedback processing modules (104);
Described content feed module (3024): for forcing reservation data to feed back to described feedback processing modules (104) through described reception system (201) and described supplying system (202) described, or feed back to described feedback processing modules (104) for described pressure is retained data through network system;
Described feedback processing modules (104) includes the first feedback processing modules (1041);
Described first feedback processing modules (1041) judges whether the described requirement forcing to retain data changes, if being not changed in, do not process, if changing, described feedback processing modules (104) indicates described front end system (100) or described front end content processing module (102) again to push the described pressure reservation data of the middle storage of the described pressure reservation data described memory module of replacement (3022) with new ID attribute;
Described feedback processing modules (104) also includes the second feedback processing modules (1042);
Described second feedback processing modules (1042) is used for judging that the described described quantity forcing to retain data forcing to retain data and store in described front end system (100) and content are the most consistent, if it is inconsistent, it indicates that described front end system (100) or described front end content processing module (102) again push the described pressure of storage in described front end system (100) and retain data.
Satellite data transmission system the most according to claim 1, it is characterized in that, described front end system (100) also includes the first searching module (105), and described feedback processing modules (104) includes the 3rd feedback processing modules (1043);
Described 3rd feedback processing modules (1043) is for judging whether the described quantity forcing to retain data and content are less than the described pressure of storage in described front end system (100) and retain quantity and the content of data, if being less than, described first finds module (105) finds out the unnecessary described pressure reservation data that described front end system (100) stores, and indicates described front end system (100) or described front end content processing module (102) again to push described unnecessary described pressure and retains data.
Satellite data transmission system the most according to claim 1 and 2, it is characterized in that, described front end system (100) includes the second searching module (106), and described feedback processing modules (104) also includes the 4th feedback processing modules (1044);
Described 4th feedback processing modules (1044) is for judging whether the described quantity forcing to retain data and content are more than the described pressure of storage in described front end system (100) and retain quantity and the content of data, if being more than, described second finds module (106) finds out unnecessary described pressure reservation data, indicates described front end system (100) or described front end content processing module (102) to store described unnecessary described pressure and retains data.
Satellite data transmission system the most according to claim 1, it is characterised in that described memory module (3022) includes forcing reserved area (320) and random subregion (321);Described pressure retains data and is stored in described pressure reserved area (320).
Satellite data transmission system the most according to claim 4, it is characterized in that, described pressure reserved area (320) is divided into pressure reserved area, front end (3201) and terminal to force reserved area (3202), pressure reserved area, described front end (3201) is used for storing described pressure and retains data, and described terminal forces reserved area (3202) to be used for storing terminal unit or user needs the content-data that retains.
Satellite data transmission system the most according to claim 5, it is characterised in that described front end system (100) also includes terminal request processing module;When the content-data during described terminal forces reserved area (3202) needs to delete or change, described terminal system (300) sends solicited message, the described terminal request processing module described solicited message of process the content-data in described terminal pressure reserved area (3202) is deleted in permission after checking through described reception system (201) and described supplying system (202) to described terminal request processing module;
Or when the content-data during described terminal forces reserved area (3202) needs to delete or change, described terminal system (300) sends solicited message, the described terminal request processing module described solicited message of process the content-data in described terminal pressure reserved area (3202) is deleted in permission after checking through network system to described terminal request processing module.
Satellite data transmission system the most according to claim 5, it is characterized in that, described terminal content processing module (302) also includes that the second terminal content arranges module (3025), and described second terminal content arranges module forces the content-data of reserved area (3202) to be fixed the setting of ID attribute for described terminal unit or user are put into described terminal automatically.
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US7111057B1 (en) * | 2000-10-31 | 2006-09-19 | Akamai Technologies, Inc. | Method and system for purging content from a content delivery network |
CN101867613A (en) * | 2010-06-08 | 2010-10-20 | 中兴通讯股份有限公司 | Content delivery CDN sub system and data synchronization method |
CN103051732A (en) * | 2013-01-18 | 2013-04-17 | 上海云和信息系统有限公司 | Cloud computation system for realizing automatic data pushing and distributing function and automatic pushing method |
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JPH1056416A (en) * | 1996-08-07 | 1998-02-24 | Nippon Telegr & Teleph Corp <Ntt> | Satellite communication system |
JP3619427B2 (en) * | 1999-11-05 | 2005-02-09 | 株式会社ビューポイントコミュニケーションズ | Information display device |
WO2003012651A1 (en) * | 2001-07-31 | 2003-02-13 | Alphabridge Corporation | Content providing system, content providing method, content providing program, and computer-readable recording medium |
JP4763453B2 (en) * | 2005-12-28 | 2011-08-31 | 株式会社Pfu | Data falsification prevention method and data falsification prevention system |
US8286005B2 (en) * | 2007-03-27 | 2012-10-09 | Mitsubishi Electric Corporation | Confidential information memory apparatus, erasing method of confidential information, and erasing program of confidential information |
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US7111057B1 (en) * | 2000-10-31 | 2006-09-19 | Akamai Technologies, Inc. | Method and system for purging content from a content delivery network |
CN101867613A (en) * | 2010-06-08 | 2010-10-20 | 中兴通讯股份有限公司 | Content delivery CDN sub system and data synchronization method |
CN103051732A (en) * | 2013-01-18 | 2013-04-17 | 上海云和信息系统有限公司 | Cloud computation system for realizing automatic data pushing and distributing function and automatic pushing method |
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