CN101150709B - A receiving control device and method for time shift program - Google Patents
A receiving control device and method for time shift program Download PDFInfo
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- CN101150709B CN101150709B CN2006100627738A CN200610062773A CN101150709B CN 101150709 B CN101150709 B CN 101150709B CN 2006100627738 A CN2006100627738 A CN 2006100627738A CN 200610062773 A CN200610062773 A CN 200610062773A CN 101150709 B CN101150709 B CN 101150709B
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Abstract
The invention discloses a method for receiving time shifting programs, comprising: time shifting information when acquiring the user terminal, setting a shifting label; when moving the user terminal off the channel, confirming the time shifting label is set and storing time shifting program information record corresponding with the time shifting label; when calling the user terminal back the channel, after confirming existence of corresponding time shifting program information record, reestablishing time shifting program connection according to the time shifting program information record. The invention also discloses a receiving controller of time shifting programs. Through reestablishing time shifting program connection according to the time shifting program information record, the invention gets the aim of returning original channels to watch preset time shifting programs after the user is moved off the channel.
Description
The ■ technical field
The present invention relates to a kind of digital television techniques, particularly a kind of receiving control device of time shift program and method.
The ■ background technology
IPTV (Internet Protocol Television) also be IPTV, is to integrate multiple technologies such as the Internet, multimedia, communication, and the brand-new technology of interactive digital media services is provided.Time shift is the key property of IPTV, the user can retreat when watching program, temporaty suspension, support the programme televised live of time shift, when the user does not begin time shift, it issues from video server by the multicast mode, in case the user begins time shift, promptly by retreating or temporaty suspension, this program will issue from video server with the clean culture form, and no longer issue with the multicast form, this moment, the user promptly can continue to watch original program continuously after suspending a period of time again, perhaps retreated program to certain position and restarted to watch program.Under present time-shifting techniques, when the user selects a channel, he begins program receiving with regard to the multicast group that has added this channel, when he begins time shift, promptly by retreating or during temporaty suspension, corresponding message can send to server, RTSP (Real Time Stream Protocol) message for example, server is received the connection that will set up a clean culture after the message for this user terminal, that is to say that this program begins time shift, and what the user watched will be this clean culture program.If at this moment user terminal transfers to other channel, this clean culture connects and will disconnect, and can not recover, because in the existing time-shifting techniques of IPTV, in fact adjusting channel is equivalent to disconnect the current clean culture or the connection of multicast, and connects for new program.What he saw when the user gets back to this channel once more will be common group broadcasting program, rather than the time shift program of seeing before him.
The ■ summary of the invention
In view of this, the present invention proposes a kind of method of reseptance of time shift program, overcome the defective that can not continue to watch time shift program in the existing time-shifting techniques because of the user terminal adjusting channel, made the user leave and to continue to watch the time shift program of setting before this when returning original channel again behind the channel.
Correspondingly, the invention allows for a kind of receiving control device of time shift program.
In order to address the above problem, the method for reseptance of a kind of time shift program that the present invention proposes, it comprises the steps:
Obtain user terminal and begin time shift information, the time shift mark is set;
When user terminal is left channel under order, confirm after the time shift mark has been set up to be set the time shift program session retention time, and in the time shift program session retention time, keep session;
If in the time shift program session retention time, when user terminal is recalled to channel, play-over time shift program by the session of described maintenance; If surpass the time shift program session during retention time, confirm to leave the channel time to user terminal and surpass the time shift program session retention time and still need to watch time shift program, storage time shift program information record, and end session; When user terminal is recalled to channel, after confirming to have corresponding time shift program information record, rebulid the time shift program link according to time shift program information record.
Preferably, described programme information record comprises: channel Channel Number, program ID Program ID, the current play position Current Position of program under the address Address of program, program corresponding port Port, the program.
Preferably, described programme information record also comprises the out-of-service time DateTime of this record.
Preferably, play the general programs of time shift program and the current broadcast of this channel simultaneously by picture-in-picture PIP form to user terminal.
Preferably, time shift program finishes or user terminal is closed this time shift program or surpass the out-of-service time DateTime of this record, then the corresponding time shift program information record of deletion and empty corresponding time shift mark.
The present invention also provides a kind of receiving control device of time shift program, comprising:
Memory module, memory, the time shift control module;
The time shift control module, be used to obtain user terminal and begin time shift information, the time shift mark is set, when user terminal is left channel under order, the time shift session retention time is set, in the time shift program session retention time, keep session, and be used in the time shift program session retention time, play-overing time shift program according to the session of described maintenance; Preferably, further comprise: surpass the time shift session during retention time, confirming to leave channel to user terminal still needs to watch time shift program above the time shift session retention time, notice memory module storage time shift program information record, and end session; When user terminal is recalled to channel, after confirming to have corresponding time shift program information record, rebulid the time shift program link according to time shift program information record.
Memory module is used for being recorded to memory according to the notice storage time shift program information of time shift control module, and sends the time shift control module according to the request of time shift control module to memory query time shift program information and with Query Result; Memory is used to store the time shift program information record that transmits from memory module.
Preferably, described receiving control device is a set-top box, and further comprises picture-in-picture PIP control module, is used for notice according to the time shift control module to user terminal displays picture-in-picture PIP.
Preferably, described programme information record comprises: channel Channel Number, program ID Program ID, the current play position Current Position of program under the address Address of program, program corresponding port Port, the program.
Preferably, described programme information record also comprises the out-of-service time DateTime of this record.
From above scheme as can be seen, if the user is adjusting channel when watching time shift program, by the notice of the time shift control module among the present invention memory module corresponding programme information record is stored to memory, and when user terminal is recalled to channel, rebuild the time shift program link according to corresponding programme information record, and play the general programs of time shift program and the current broadcast of this channel simultaneously by picture-in-picture PIP (PictureIn Picture) form, perhaps only play time shift program, can not watch the defective of the time shift program that it is set before this again thereby overcome when user's adjusting channel returns original channel again under the existing time-shifting techniques, and then satisfy the demand that the user leaves the time shift program that can continue when returning original channel again behind the channel to watch that continuously it is provided with before this.
The ■ description of drawings
Fig. 1 is the main realization principle flow chart of the inventive method;
Fig. 2 is the flow chart of steps of the embodiment of the invention one;
Fig. 3 is the flow chart of steps of the embodiment of the invention two;
Fig. 4 is the structural representation of time shift program receiving control device embodiment of the present invention;
Fig. 5 is the structural representation of another embodiment of time shift program receiving control device of the present invention.
The ■ embodiment
Technical solution of the present invention is under the existing time-shifting techniques, when user terminal begins time shift, when then leaving channel under order, therefore the clean culture link of time shift generation will disconnect, thereby cause the user to return the problem that original channel again be can't see its time shift program of setting before this, a kind of reception solution of time shift program has been proposed, promptly work as user terminal and begin time shift, when then leaving channel under order, notify memory module to be stored to memory the information record of this time shift program by the time shift control module, when user terminal is recalled to channel, rebuild the time shift program link according to the time shift program information record of correspondence by the time shift control module.
Below in conjunction with accompanying drawing main realization principle, the embodiment of technical solution of the present invention are at length set forth:
Please refer to shown in Figure 1ly, this figure is the main realization principle flow chart of the method for reseptance of a kind of time shift program provided by the invention, and it realizes that mainly principle is as follows:
A1, obtain user terminal and begin time shift information, the time shift mark is set;
A2, when user terminal is left channel under order, confirm that the time shift mark has been set up the time shift program information record of back storage time shift mark correspondence;
A3, when user terminal is recalled to channel, the connection that confirm to exist corresponding time shift program information record back to rebuild time shift program according to time shift program information record.
From as can be seen above-mentioned; realize the technical scheme that the present invention proposes; at first need the time shift mark be set when the program time shifting by the time shift control module; time shift this program is retreated when watching program by the user or pausing operation starts, and this operation is that the user passes through relevant terminal input equipment (the corresponding operating button on remote controller or the television set etc.) and program suspended or retreat to be provided with and finish.Removed when beginning at that time, the time shift control module is obtained this time shift information, and a time shift mark (time-shift flag) is set for this program.
Another problem that the technical scheme that the present invention proposes need solve is a storage time shift program information record, and below how explanation stores two kinds of schemes of time shift program information record:
First kind of scheme: when the user terminal adjusting channel, control module judges that at first time shift marks whether to be set up, if be set up, then notify memory module to store this time shift mark program information corresponding record into memory, this programme information record includes but not limited to content as shown in the table:
| Address | The address of program |
| Port | Program corresponding port number |
| Channel?Number | Channel under the program |
| Program?ID | Program ID |
| Current?Position | The play position (for example 30 minutes and 10 seconds) that program is current |
| DateTime | The out-of-service time of this record |
Wherein, the address of program, program corresponding port number are to rebuild that time shift program connects and the sign and the address information that provide for the ease of the time shift control module.
Channel under the program be used for the time shift control module confirm this time shift program whether with its under channel corresponding, thereby further handle.
Program ID is a kind of sign of described time shift program, is used for the time shift control module and discerns corresponding time shift program.
The current play position Current position of program is that so that the user can watch time shift program continuously, its computational methods are as follows for the time shift program after definite the reconstruction begins to play wherefrom:
At first, time shift control module is known current time t
n, also can be by the time started t of the acquisition of the Event Information Table EIT (Event InformationTable) the information on services SI (Service Information) that receives from video server program
s,, existing IPTV system can both realize this process, and this process is not the object of the invention, does not therefore give unnecessary details; Secondly, if the user has carried out the skip forward/back operation, the time shift module is equally known the time migration t of skip forward/back
oN, wherein n is a natural number, t
oN represents the time offset of the n time skip forward/back.So the time shift control module can be according to formula:
Cp=t
n+ ∑ t
oI-t
s, i=1...n wherein;
Calculate the current play position Cp of program (Current Position).
Writing down time point or time period that this time shift program information record lost efficacy among the out-of-service time DateTime of this record, when this time point arrives be, perhaps having passed through should the time period, and this time shift program information record is with deleted, and the time shift mark will be cleared.
The scheme of another kind of storage time shift program information record is: when the user terminal adjusting channel, control module judges that time shift marks whether to be set up, if be set up, then time shift control module is provided with the time shift session retention time.Session herein just be meant set up between user terminal and the video server be used for being connected of program receiving.Keep session to be meant and keep this connection, continue to receive data.The time shift session retention time is that the time shift control module keeps a period of time can not disconnect this time shift program link behind user terminal time shift and adjusting channel, if user terminal is recalled to this channel during this period, he can continue to watch this time shift program.If the time of advent, user terminal was not also recalled to this channel during threshold value, control module will confirm whether want to continue to watch this time shift program (for example can confirm to the user by user terminal by dialog box) to user terminal, if user terminal confirms to continue to watch time shift program, then time shift control module notice memory module stores this programme information record into memory, and finish this session (link), otherwise, directly finish this session.
The problem that the technical scheme that the present invention proposes also needs to solve is how to rebuild the time shift program link.When user terminal was recalled to channel, control module notice memory module was searched the time shift program information record that whether has this channel correspondence, if there is corresponding time shift program information record, the time shift program before then rebuilding according to the information in this record connects.Need to prove that if do not find this channel time shift program information record of being correlated with, the user can only watch the general programs of the current broadcast of this channel so.Begin time shift and the time move accordingly under the situation that mark has been set and have two kinds of situations not have the time shift program recorded information: the one, through the time point that writes down among the out-of-service time DateTime of this record or surpass the time period of writing down among the out-of-service time DateTim of this record; The 2nd, the time shift program of being correlated with has finished or the user closes this time shift program.
It is as follows to rebuild the time shift program link process: at first connect with video server according to program address (rtp for example: //cctv.com/movies/ Crazy Stone .mpg), call then according to the current play position Current position of program that calculates, program is positioned to the time point of watching last time, and plays the time shift program that it sets to the user.Mode from time shift program to user terminal that play there are two kinds: first kind of mode is that time shift program and the current general programs of this channel are play to user terminal by picture-in-picture PIP (Picture In Picture) mode simultaneously; Another kind of mode is only time shift program to be played to user terminal.First kind of mode starts picture-in-picture function by time shift control module notice PIP (Picture InPicture) control module by PIP (Picture In Picture) and finishes.
Below with first kind of broadcast mode, is about to the current general programs of time shift program and this channel and is example to the user terminal broadcast simultaneously, and invention is described further to this method with reference to accompanying drawing in conjunction with specific embodiments by picture-in-picture PIP (Picture In Picture) mode:
Embodiment one: as shown in Figure 2, concrete steps are as follows:
B1, user B select channel to watch program and begin time shift;
For example, to begin to watch the program 1 of channel 1, time shift at 1:30 be that the user passes through relevant terminal input equipment (the corresponding operating button on remote controller or the television set etc.) and program suspended or retreat to be provided with and start to user B.For example, user B suspends the broadcast of this program at 1:45, perhaps retreats into the time started (as 1:00) of program, can represent that program begins time shift.
After B2, time shift control module are obtained above-mentioned information, be this program the time shift mark is set;
B3, user B adjusting channel;
For example, certain important program 2 (football match) that this moment, user B need watch channel 2 at 1:50.
B4, time shift control module judge that promptly time shift marks whether to be set up behind user B adjusting channel, change B5 if the time shift mark has been set up, if be not set up then change B6;
B5, time shift control module notice memory module are stored to memory with time shift program information record;
B6, user B recall to channel;
For example, after the football match program finished, user B wanted to watch before this by the program 1 of the channel 1 of its time shift.
B7, time shift control module judge whether to exist time shift program information record, if there is this record, then change B8, otherwise, change the B10 termination routine, perhaps return the information of not setting up time shift;
When user B returns channel 1, time shift control module notice memory module is searched the time-shift recording that whether has this channel relevant, after having notice, memory module promptly in memory, inquires about whether there be the time shift program information record relevant with this channel, and send Query Result to the time shift control module, further handle by the time shift control module,, then change B8 if promptly there is time shift program information record, if there is no this time shift program information record then changes B10.Do not exist the situation of time shift program information record to comprise following several situation: the first, when user B through the time point that writes down among the DateTime or surpass the time period of writing down among the DateTim and also do not recall to channel; The second, this time shift program that user B sets finishes; The 3rd, user B closes this time shift program.
B8, time shift control module rebulid program chaining according to the time shift program information record that obtains from memory module.
The time shift control module will find time shift program title and chained address before this according to channel and the program ID under the address of the program in the programme information record before this, program corresponding port number, the program this moment, and further set up link according to the current play position of program.
B9, time shift control module notice picture-in-picture PIP (Picture In Picture) control module are play time shift program and the current general programs of this channel simultaneously;
For example, this moment, current channel was play general programs 3, and then at this moment the user will see program 1 and program 3 simultaneously by picture-in-picture.
Need to prove, under the situation of not supporting picture-in-picture PIP (Picture In Picture) pattern, user B can only watch time shift program, and can not watch time shift program and the current general programs of this channel simultaneously, the processing procedure and the present embodiment of this mode are similar, just change into directly at step B9 and play time shift program to user terminal.
B10, EP (end of program); Perhaps the time shift error message is not set up in prompting.
Embodiment two: as shown in Figure 3, concrete steps are as follows:
The process of step B1-B3 among step C1-C3 and the embodiment one is identical;
C4, time shift control module judge that promptly time shift marks whether to be set up behind user C adjusting channel, change C5 if the time shift mark has been set up, if be not set up then change C8;
C5, time shift control module are provided with the time shift session retention time;
Such as, the time shift control module time shift session retention time is set to 5 minutes, recalls to channel in 5 minutes, and user C will watch the time shift program that it is provided with before this, also not recall to channel if surpass 5 minutes users, then change C6.
C6, user C leave the channel time under order above the time shift session retention time, will continue to watch that the time shift program of its setting changes C7 if the time shift control module is confirmed user C, otherwise change C12.
Time shift this moment control module can confirm that dialog box allows user C select the time shift program that whether continues to watch it to be provided with before this by send one to user terminal, user C can determine by the acknowledgement key of terminal input equipment, the time shift control module will be cancelled this set time shift session retention time, and carry out the processing of C7 step, otherwise, if the user cancels operation by the cancel key of terminal input equipment, then represent the time shift program that it no longer continues to watch its setting, time shift this moment control module is directly cancelled this set time shift session retention time.
C7, time shift control module notice memory module are stored to memory with time shift program information record;
C8, user C recall to channel;
C9, time shift control module judge whether to exist time shift program information record, if there is this record, then change C10, otherwise, change the C12 termination routine, perhaps return the information of not setting up time shift;
When user C returns channel, time shift control module notice memory module is searched the time-shift recording that whether has this channel relevant, after having notice, memory module promptly in memory, inquires about whether there be the time shift program information record relevant with this channel, and send Query Result to the time shift control module, further handle by the time shift control module,, then change C10 if promptly there is time shift program information record, if there is no this time shift program information record then changes C12.Do not exist the situation of time shift program information record to comprise following several situation: the first, when user C through the time point that writes down among the DateTime or surpass the time period of writing down among the DateTim and also do not recall to channel; The second, this time shift program that user C sets finishes; The 3rd, user C closes this time shift program.
C10, time shift control module rebulid program chaining according to the time shift program information record that obtains from memory module.
The time shift control module will find the chained address of time shift program before this according to channel and the program ID under the address of the program in the programme information record before this, program corresponding port number, the program this moment; And further set up link according to the current play position of program.
C11, time shift control module notice picture-in-picture PIP (Picture In Picture) control module are play time shift program and the current general programs of this channel simultaneously;
Need to prove, under the situation of not supporting picture-in-picture PIP (Picture In Picture) pattern, user C can only watch time shift program, and can not watch time shift program and the current general programs of this channel simultaneously, the processing procedure and the present embodiment of this mode are similar, just change into directly at step C11 and play time shift program to user terminal.
C12, EP (end of program); Perhaps the time shift error message is not set up in prompting.
The above-mentioned the inventive method that describes in detail, accordingly, the present invention also provides a kind of receiving control device of time shift program, Fig. 4 is first kind of execution mode structural representation that the receiving control device of time shift program of the present invention realizes watching time shift program, comprising: time shift control module T1, memory module T2, memory T 3.
Time shift control module T1 is used for being provided with the time shift mark when the beginning time shift, and record memory T3, and when user terminal is recalled to channel and have corresponding time shift program information record, rebuild the time shift program link according to time shift program information record in the situation that user terminal adjusting channel and time shift mark have been set up the memory module T2 storage time shift program information that sends a notice.
Memory module T2 is used for being recorded to memory T3 according to the notice storage time shift program information of time shift control module T1, and sends time shift control module T1 according to the request of time shift control module T1 to memory T3 inquiry time shift program information and with Query Result.
Memory T3 is used to store the time shift program information record that transmits from memory module T2.
Present embodiment also comprises another kind of embodiment, be that described time shift control module T1 also is used under the situation that user terminal adjusting channel and time shift mark have been set up, the time shift session retention time is set, and surpassing the time shift session retention time when still needing to watch time shift program confirming to leave channel to user terminal, notice memory module T2 storage time shift program information records memory T3.Other handling process of other module among this embodiment and time shift control module T1 is with above-mentioned identical.
Accordingly, a kind of another kind of execution mode of receiving control device of time shift program also is provided, Fig. 5 is its structural representation, comprising: time shift control module S1, memory module S2, memory S3, picture-in-picture PIP (Picture In Picture) control module S4.
Time shift control module S1 is used for being provided with the time shift mark when time shift begins, and record memory S3, and when user terminal is recalled to channel and have corresponding time shift program information record, rebuild the time shift program link and notice picture-in-picture PIP control module S4 plays the general programs of time shift program and the current broadcast of this channel simultaneously to user terminal according to time shift program information record in the situation that user terminal adjusting channel and time shift mark have been set up the memory module S2 storage time shift program information that sends a notice.
Memory module S2 is used for being recorded to memory S3 according to the notice storage time shift program information of time shift control module S1, and sends time shift control module S1 according to the request of time shift control module S1 to memory S3 inquiry time shift program information and with Query Result.
Memory S3 is used to store the time shift program information record that transmits from memory module S2.
Picture-in-picture PIP (Picture In Picture) control module S4 is used for playing picture-in-picture PIP according to the notice of time shift control module to user terminal.
Accordingly, present embodiment also comprises another kind of embodiment, be that described time shift control module S1 also is used under the situation that user terminal adjusting channel and time shift mark have been set up, the time shift session retention time is set, and surpassing the time shift session retention time when still needing to watch time shift program confirming to leave channel to user terminal, notice memory module S2 storage time shift program information records memory S3.Other processing procedure of other module among this embodiment and time shift control module S1 is with above-mentioned identical.
More than the receiving control device and the method for a kind of time shift program provided by the present invention is described in detail; having used specific case herein sets forth principle of the present invention and execution mode; the above; it only is preferred embodiment of the present invention; be not to be used to limit protection scope of the present invention; all any modifications of being made within the spirit and principles in the present invention, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for reseptance of a time shift program is characterized in that, this method comprises the steps: to obtain user terminal and begins time shift information, and the time shift mark is set;
When user terminal is left channel under order, confirm after the time shift mark has been set up to be set the time shift program session retention time, and in the time shift program session retention time, keep session;
If in the time shift program session retention time, when user terminal is recalled to channel, play-over time shift program by the session of described maintenance; If surpass the time shift program session during retention time, confirm to leave under order the channel time to user terminal and surpass the time shift program session retention time and still need to watch time shift program, storage time shift program information record, and end session; When user terminal is recalled to channel, after confirming to have corresponding time shift program information record, rebulid the time shift program link according to time shift program information record.
2. the method for claim 1, it is characterized in that described programme information record comprises: channel Channel Number, program ID Program ID, the current play position Current Position of program under the address Addres s of program, program corresponding port Port, the program.
3. method as claimed in claim 2 is characterized in that, described programme information record also comprises the out-of-service time DateTime of this record.
4. method as claimed in claim 2 is characterized in that, plays the general programs of time shift program and the current broadcast of this channel simultaneously by picture-in-picture PIP form to user terminal.
5. method as claimed in claim 4 is characterized in that, described time shift program is to begin to play from the current play position of program.
6. method as claimed in claim 3, it is characterized in that, time shift program finishes or user terminal is closed this time shift program or surpass the out-of-service time DateTime of this record, then the corresponding time shift program information record of deletion and empty corresponding time shift mark.
7. the receiving control device of a time shift program is characterized in that, comprises memory module, memory, time shift control module;
The time shift control module, be used to obtain user terminal and begin time shift information, the time shift mark is set, when user terminal is left channel under order, the time shift session retention time is set, in the time shift program session retention time, keep session, and be used in the time shift program session retention time, play-overing time shift program according to the session of described maintenance; Further comprise: surpass the time shift program session during retention time, confirm to leave under order the channel time to user terminal and surpass the time shift program session retention time and still need to watch time shift program, notice memory module storage time shift program information record, and end session; When user terminal is recalled to channel, after confirming to have corresponding time shift program information record, rebulid the time shift program link according to time shift program information record;
Memory module is used for being recorded to memory according to the notice storage time shift program information of time shift control module, and sends the time shift control module according to the request of time shift control module to memory query time shift program information and with Query Result;
Memory is used to store the time shift program information record that transmits from memory module.
8. a kind of time shift program receiving control device as claimed in claim 7, it is characterized in that: described receiving control device is a set-top box, and further comprise picture-in-picture PIP control module, be used for notice according to the time shift control module to user terminal displays picture-in-picture PIP.
9. as claim 7 or 8 described a kind of time shift program receiving control devices of watching, it is characterized in that: described programme information record comprises: channel Channel Number, program ID Program ID, the current play position Current Position of program under the address Addres s of program, program corresponding port Port, the program.
10. a kind of time shift program receiving control device of watching as claimed in claim 7 is characterized in that: described programme information record also comprises the out-of-service time DateTime of this record.
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| CN103533444A (en) * | 2013-10-25 | 2014-01-22 | 乐视网信息技术（北京）股份有限公司 | Method and device for supporting time-shifting playing |
| CN107888967A (en) * | 2016-09-30 | 2018-04-06 | 深圳市九洲电器有限公司 | A kind of set-top-box opening display methods and system |
| CN114786021B (en) * | 2021-01-22 | 2024-04-05 | 青岛海信宽带多媒体技术有限公司 | Method and device for controlling playing of live program based on intelligent set top box |
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| CN 1717024 A,说明书第6页第3行到第7页第16行、第9页第1行到第18页第15行，图1、14. |
| 同上. |
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| CN101150709A (en) | 2008-03-26 |
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