CN103269289A - Air traffic control radar information test method and equipment - Google Patents
Air traffic control radar information test method and equipment Download PDFInfo
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- CN103269289A CN103269289A CN2013101322544A CN201310132254A CN103269289A CN 103269289 A CN103269289 A CN 103269289A CN 2013101322544 A CN2013101322544 A CN 2013101322544A CN 201310132254 A CN201310132254 A CN 201310132254A CN 103269289 A CN103269289 A CN 103269289A
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Abstract
The invention relates to the technical field of air traffic control radar information, and relates to an air traffic control radar information test method and air traffic control radar information test equipment. The air traffic control radar information test method comprises the following steps of judging a transmission protocol according to a synchronization word; according to a judgment result of the transmission protocol, adding a protocol stamp for distinguishing different transmission protocol types to the tail of a data frame corresponding to the transmission protocol, and sending data with protocol stamps; receiving the data; and analyzing and displaying the received data according to the determined data format. The air traffic control radar information test equipment comprises an information receiving and protocol conversion module and an information processing module. According to the air traffic control radar information test method and the air traffic control radar information test equipment, a user interface is not required to be set, the data format is manually selected, the operation is more convenient, and the recognition accuracy is higher.
Description
Technical field
The present invention relates to the air traffic control radar areas of information technology, in particular to a kind of air traffic control radar information method of testing and equipment.
Background technology
Grasping the airborne aircraft multidate information in real time is the important means of air traffic control, for realizing the effective control to air traffic, air traffic control system is mainly by showing airborne aircraft multidate informations such as air traffic control radar information at the empty feelings monitor of aviation management, thus in real time directly perceived understand airborne aircraft dynamically.
In the aviation management field, the blank pipe communication network is being carried the information that the multi-section air traffic control radar is uploaded, and the employed host-host protocol disunity of different air traffic control radars, and also comprise the several data form under each host-host protocol, therefore, judging transmission of Information agreement, recognition data form, is the prerequisite of the reception of aviation management system and display-object information.
After the aviation management system receives the data content of air traffic control radar transmission, need carry out data to it resolves, and the at first prerequisite of finishing parsing is to grasp the data format of these data, and present air traffic control radar information testing equipment, communication protocol tester for example, do not possess the test function at the specific demand of aviation management specialty, can only test the communication layers characteristic of air traffic control radar information, only grasp air traffic control radar information and adopt host-host protocol, communication layers relevant parameters such as synchronous transmission clock and transmission frame error rate, need the artificial selection data format to resolve, operate comparatively loaded down with trivial details.
Summary of the invention
The object of the present invention is to provide a kind of air traffic control radar information method of testing and equipment, to solve the above problems.
A kind of air traffic control radar information method of testing is provided in an embodiment of the present invention, has comprised step:
Steps A is judged host-host protocol according to synchronization character;
Step B according to the result of determination of host-host protocol, stabs for the agreement of distinguishing the different rows transport protocol type in the Frame afterbody interpolation of this host-host protocol correspondence, sends the data that have the agreement stamp afterwards;
Step C receives described data, according to the agreement of Frame afterbody stab represented host-host protocol and and this transport protocol type under the data characteristics of various air traffic control radar information judge the data format that described data adopt;
Step D according to determined data format, resolves and shows the data that receive.
Wherein, described steps A comprises step:
Searching whether occur binary number form synchronization character 0011,0010 in the message bit stream, is then to be judged to be the BSC host-host protocol; Not, searching whether occur binary number form synchronization character 0111,1110 in the message bit stream, is then to be judged to be the HDLC host-host protocol.
Wherein, described step B comprises step:
The afterbody of the Frame in the data flow that is judged to be the BSC host-host protocol increases by first agreement and stabs; The afterbody that is judged to be the Frame in the data flow of HDLC host-host protocol is increased by second agreement to be stabbed;
To have the data flow that described first agreement is stabbed and/or described second agreement is stabbed sends by wireless ethernet according to the network udp protocol.
Wherein, described first agreement stamp is 0000,0001 with binary number representation; It is 0000,0010 that described second agreement is stabbed with binary number representation.
Wherein, described step C comprises step:
Receive described data flow, if Frame stabs ending with described first agreement, judge then whether following two bytes of last synchronization character are 0x10 and 0x02 in this data flow, are, then are judged to be Toshiba's data format, not, then be judged to be the Thompson data format.
Wherein, described step C comprises step:
Receive described data flow, if Frame stabs ending with described second agreement, judge then in the control field of link layer whether text length specification symbol is arranged, be, then be judged to be Marko _ II data format, not, then be judged to be the ASTERIX data format.
Wherein, judge whether have text length specification symbol to comprise step in the control field of link layer among the described step C:
Extract the Frame between two synchronization characters, second agreement that deducts this Frame is stabbed, if deducting the 2nd decimal number that byte is represented of the Frame after second agreement is stabbed is even number, and its numerical value equals the Frame total length and subtracts 5, then judging has text length specification symbol in the control field of link layer, otherwise judges in the control field of link layer there is not text length specification symbol.
The embodiment of the invention also provides a kind of air traffic control radar information testing equipment, comprises information reception and protocol conversion module and message processing module;
Described information receives and protocol conversion module, is used for judging host-host protocol according to synchronization character; According to the result of determination of host-host protocol, stab for the agreement of distinguishing the differing transmission protocols type in the Frame afterbody interpolation of this host-host protocol correspondence, send the data that have the agreement stamp afterwards;
Described message processing module is used for receiving described data, stabs the data characteristics of represented transport protocol type and the various air traffic control radar information under this transport protocol type according to the agreement of Frame afterbody and judges the data format that described data adopt; And according to determined data format, the data that receive are resolved and shown.
Wherein, described information receives and protocol conversion module, and be used for searching message bit stream and binary number form synchronization character 0011,0010 whether occurs, be then to be judged to be the BSC host-host protocol; Not, search whether occur binary number form synchronization character 0111,1110 in the message bit stream, be, then be judged to be the HDLC host-host protocol, and the afterbody of the Frame in the data flow that is judged to be the BSC host-host protocol increases by first agreement stamp; The afterbody that is judged to be the Frame in the data flow of HDLC host-host protocol is increased by second agreement to be stabbed; To have the data flow that described first agreement is stabbed and/or described second agreement is stabbed afterwards sends by wireless ethernet according to the network udp protocol.
Wherein, described message processing module, be used for receiving described data flow, if Frame stabs ending with described first agreement, judge then whether following two bytes of last synchronization character are 0x10 and 0x02 in this data flow, be, then be judged to be Toshiba's data format, not, then be judged to be the Thompson data format, if Frame stabs ending with described second agreement, whether then judge has text length specification symbol, be then to be judged to be Marko _ II data format in the control field of link layer,, then be not judged to be the ASTERIX data format.
Air traffic control radar information method of testing and the equipment of the above embodiment of the present invention, at first the host-host protocol of the data flow transmission being followed by synchronization character is identified, stab to serve as a mark and be added on the Frame afterbody for each host-host protocol arranges agreement afterwards, different host-host protocols adopts different agreements to stab, like this, after the receiving terminal of system receives the data that have the agreement stamp, just can identify its host-host protocol immediately, so, only need to judge one by one according to the characteristics separately of the various data formats under this agreement again, just can identify concrete data format, like this, just need not to arrange user interface by selecting data format manually, it is more convenient to operate, and recognition accuracy is higher.
Description of drawings
Fig. 1 is the schematic flow sheet of an embodiment of air traffic control radar information method of testing of the present invention;
Fig. 2 is the structural representation of an embodiment of air traffic control radar information testing equipment of the present invention.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
The embodiment of the invention provides a kind of air traffic control radar information method of testing, referring to shown in Figure 1, comprises step:
Step S110 judges host-host protocol according to synchronization character.
In embodiments of the present invention, the present invention adopts the synchronization character of two kinds of host-host protocols to judge.According to the applied synchronization character difference of different synchronous transmission agreements, and the different characteristics of mode appear in synchronization character, take synchronization character with differing transmission protocols as keyword, whether occur keyword respectively in the Query Information, carry out the judgement of air traffic control radar information transmission protocol.
Because the air traffic control radar transmission of Information adopts BSC (binary synchronous communication rules substantially, Binary Synchronous Communication) and HDLC (High-Level Data Link Control, High-Level Data Link Control) host-host protocol, therefore, in embodiments of the present invention, determine that by synchronization character the mode of host-host protocol is: search whether occur binary number form synchronization character 0011,0010 in the message bit stream, be then to be judged to be the BSC host-host protocol; Not, searching whether occur binary number form synchronization character 0111,1110 in the message bit stream, is then to be judged to be the HDLC host-host protocol.
Whether particularly, at first the synchronization character binary number form 0011,0010 with the BSC host-host protocol is keyword, search it and occur in the message bit stream, as the appearance of keyword in two or more continuous modes, then is judged to be the BSC host-host protocol; Whether otherwise the synchronization character binary form 0111,1110 with the HDLC host-host protocol is keyword, search it and occur in the message bit stream, as the HDLC host-host protocol occurring then being judged to be.
Step S111 according to the result of determination of host-host protocol, stabs for the agreement of distinguishing the differing transmission protocols type in the Frame afterbody interpolation of this host-host protocol correspondence, sends the data that have the agreement stamp afterwards.
Described agreement is stabbed, be used for distinguishing different host-host protocols, different host-host protocols has different agreements and stabs, agreement is stabbed for the transmission of data flow and receiving terminal and represented protocol type is arranged, like this, receiving terminal need not to carry out again agreement for the data that have the agreement stamp to be judged, carries out directly stabbing unique definite this protocol type according to agreement when data are resolved.
After host-host protocol was judged end, the afterbody of the Frame in the data flow that is judged to be the BSC host-host protocol increased by first agreement and stabs; The afterbody that is judged to be the Frame in the data flow of HDLC host-host protocol is increased by second agreement to be stabbed.
Particularly, be example with BSC agreement and HDLC agreement, at first receive complete air traffic control radar information data frame with the synchronous transmission agreement of being judged.If the host-host protocol of the data that receive is as being BSC, then with binary number 0000,0001 as first agreement stamp increase Frame afterbody, the expression information transmission protocol is the BSC host-host protocol, as is HDLC, then at the Frame afterbody with Binary Zero 000,0010 number increases by second agreement and stabs, the expression information transmission protocol is the HDLC host-host protocol, and namely described first agreement stamp is 0000,0001 with binary number representation; It is 0000,0010 that described second agreement is stabbed with binary number representation.
Afterwards, the complete data flow that described first agreement is stabbed and/or described second agreement is stabbed that will have is broadcasted by wireless ethernet according to the network udp protocol.
Step S112 receives described data, stabs represented transport protocol type and the data characteristics of the various air traffic control radar information under this host-host protocol according to the agreement of Frame afterbody, judges the data format that described data adopt.
Receive described data flow, if Frame stabs ending with described first agreement, the agreement of following when this transfer of data then is described is the BSC agreement, and host-host protocol is army's boat radar information data format judgement of BSC, and main judgement is Toshiba's data format or Thompson data format.Judgment mode is judged for the position that data link escape character 0x10 and start of text character 0x02 in the employing army boat radar information occur, next byte with last synchronization character 0x32 is initial the 1st byte, be 0x10 the 2nd byte 0x02 as the 1st byte, then be judged to be Toshiba's data format, otherwise be judged to be the Thompson data format.That is to say judge whether following two bytes of last synchronization character are 0x10 and 0x02 in this data flow, are, then are judged to be Toshiba's data format, not, then be judged to be the Thompson data format.
Receive described data flow, if Frame stabs ending with described second agreement, illustrate that then the host-host protocol of following is HDLC, and host-host protocol is army's boat radar information data format judgement of HDLC, and mainly being judged as Marko _ II still is ASTERIX (All-Purpos Steructured Eurocontro; Surveillance Information Exchange) data format.Judgment mode for whether the text length specification is arranged in the control field of judging link layer accords with, and is, then is judged to be Marko _ II data format, not, then is judged to be the ASTERIX data format.Particularly, extract the data between two 0x7e, Frame just, deduct second agreement then simultaneously and stab 1 byte, if the 2nd decimal number that byte is represented of Frame is even number, and its value equals the Frame length overall and subtracts 5, and illustrating has text length specification symbol in the control field of link layer, then is judged to be Marko _ II data format; Otherwise be judged to be the ASTERIX data format.
Namely, extract the Frame between two synchronization characters, second agreement that deducts this Frame is stabbed, if deducting the 2nd decimal number that byte is represented of the Frame after second agreement is stabbed is even number, and its numerical value equals the Frame total length and subtracts 5, then judging has text length specification symbol in the control field of link layer, otherwise judges in the control field of link layer there is not text length specification symbol.
Step S113 according to determined data format, resolves and shows the data that receive.
Every kind of radar data format specification has independently data format explanation separately, resolution data form key is that the data of wanting clearly will resolve are data formats of which kind of radar, when clear and definite radar data format specification, its resolving is pressed normalized illustration and is got final product, and namely the data format of Discrimination Radar information is to finish this information is carried out the necessary condition that data are resolved.Because the data format of various radar informations has nothing in common with each other, the air traffic control radar information receiving terminal should be collected various radar data format specifications, set up the data corresponding with the radar data standard of every kind of form and resolve dynamic base, the foundation of this dynamic data base should be carried out in strict accordance with the definition of every kind of radar form.And be referred to as index key with the data format name and carry out index, when judge according to abovementioned steps draw the data format of radar information after, be referred to as the indexed search dynamic data base with the data format name that gets access to, to obtain the analysis result of corresponding radar data.
For example, with panel computer Ipad as the radar information receiving terminal, set up radar information data format mechanism for resolving, collect various radar information data standards, when judging the Thompson data format, then with Thompson as index name, utilize the corresponding data analysis program that searches at dynamic data base that this information is carried out data and resolve.
Preferably, in embodiments of the present invention, can set up the GIS software that can carry out secondary development at the air traffic control radar information receiving terminal, to the main Presentation Function of the data after resolving with reference to the empty feelings monitor of air traffic control system aviation management, the figure that carries out airbound target shows, display-object label, flight historical track and map background.
Preferably, also with reference to the major function of rules tester, show monitor message with form, main display parameters have transport protocol type, CRC effect result, total data frame number, wrong frame per second etc.
Need to prove, add the step that the agreement stamp carries out mark to the judgement of host-host protocol and to Frame, also can finish at receiving terminal, namely sending radar information to receiving terminal by wireless ethernet, for example after the Ipad computer, host-host protocol is being judged, judged after the host-host protocol, in the judgement of carrying out data format, so also can realize the function of automatic recognition data form.Particularly, to comprise step:
Receive the initial data that air traffic control radar sends, and be sent to the receiving terminal on ground by wireless ethernet.The receiving terminal on ground, receive described data after, judge host-host protocol according to synchronization character; According to the data characteristics of the various air traffic control radar information under the result of determination of host-host protocol and this transport protocol type, judge the data format that described data adopt, according to determined data format, the data that receive are resolved and shown.At this moment, the step of adding the agreement stamp can be economized in letter.This shows that those skilled in the art can make adjustment to step execution sequence of the present invention according to technical conceive of the present invention, and various embodiments can be arranged, the present invention does not enumerate one by one, but all should belong to protection scope of the present invention.
The embodiment of the invention also provides a kind of air traffic control radar information testing equipment, referring to shown in Figure 2, comprises information reception and protocol conversion module and message processing module.
Described information receives and protocol conversion module, is used for judging host-host protocol according to synchronization character; According to the result of determination of host-host protocol, stab for the agreement of distinguishing the differing transmission protocols type in the Frame afterbody interpolation of this host-host protocol correspondence, send the data that have the agreement stamp afterwards.
Particularly, described information receives and protocol conversion module, and be used for searching message bit stream and binary number form synchronization character 0011,0010 whether occurs, be then to be judged to be the BSC host-host protocol; Not, search whether occur binary number form synchronization character 0111,1110 in the message bit stream, be, then be judged to be the HDLC host-host protocol, and the afterbody of the Frame in the data flow that is judged to be the BSC host-host protocol increases by first agreement stamp; The afterbody that is judged to be the Frame in the data flow of HDLC host-host protocol is increased by second agreement to be stabbed; To have the data flow that described first agreement is stabbed and/or described second agreement is stabbed afterwards sends by wireless ethernet according to the network udp protocol.
Described message processing module is used for receiving described data, stabs the data characteristics of represented transport protocol type and the various air traffic control radar information under this transport protocol type according to the agreement of Frame afterbody and judges the data format that described data adopt; And according to determined data format, the data that receive are resolved and shown.
Message processing module can be arranged on the various hand-held mobile terminals, for example, can adopt the iPad panel computer, utilizes iPad panel computer reception information to receive the radar information of broadcasting with protocol conversion module.
Particularly, described message processing module, be used for receiving described data flow, if Frame stabs ending with described first agreement, judge then whether following two bytes of last synchronization character are 0x10 and 0x02 in this data flow, be, then be judged to be Toshiba's data format, not, then be judged to be the Thompson data format, if Frame stabs ending with described second agreement, whether then judge has text length specification symbol, be then to be judged to be Marko _ II data format in the control field of link layer,, then be not judged to be the ASTERIX data format.
Clear and definite radar data transmission of Information agreement and data format, to carry out that automatic data resolve be the prerequisite that shows, testing equipment of the prior art can be judged host-host protocol but judgment data form automatically automatically, must carry out artificial selection, the present invention can judge host-host protocol and data format automatically, need not manual intervention, intelligence realizes the demonstration directly perceived of radar data.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. air traffic control radar information method of testing is characterized in that, comprises step:
Steps A is judged host-host protocol according to synchronization character;
Step B according to the result of determination of host-host protocol, stabs for the agreement of distinguishing the differing transmission protocols type in the Frame afterbody interpolation of this host-host protocol correspondence, sends the data that have the agreement stamp afterwards;
Step C receives described data, stabs the data characteristics of represented transport protocol type and the various air traffic control radar information under this transport protocol type according to the agreement of Frame afterbody and judges the data format that described data adopt;
Step D according to determined data format, resolves and shows the data that receive.
2. air traffic control radar information method of testing according to claim 1 is characterized in that described steps A comprises step:
Searching whether occur binary number form synchronization character 0011,0010 in the message bit stream, is then to be judged to be the BSC host-host protocol; Not, searching whether occur binary number form synchronization character 0111,1110 in the message bit stream, is then to be judged to be the HDLC host-host protocol.
3. air traffic control radar information method of testing according to claim 2 is characterized in that described step B comprises step:
The afterbody of the Frame in the data flow that is judged to be the BSC host-host protocol increases by first agreement and stabs; The afterbody that is judged to be the Frame in the data flow of HDLC host-host protocol is increased by second agreement to be stabbed;
To have the data flow that described first agreement is stabbed and/or described second agreement is stabbed sends by wireless ethernet according to the network udp protocol.
4. air traffic control radar information method of testing according to claim 3 is characterized in that, it is 0000,0001 that described first agreement is stabbed with binary number representation; It is 0000,0010 that described second agreement is stabbed with binary number representation.
5. air traffic control radar information method of testing according to claim 3 is characterized in that described step C comprises step:
Receive described data, if Frame stabs ending with described first agreement, judge then whether following two bytes of last synchronization character are 0x10 and 0x02 in this data flow, are, then are judged to be Toshiba's data format, not, then be judged to be the Thompson data format.
6. air traffic control radar information method of testing according to claim 3 is characterized in that described step C comprises step:
Receive described data, if Frame stabs ending with described second agreement, judge then in the control field of link layer whether text length specification symbol is arranged, be, then be judged to be Marko _ II data format, not, then be judged to be the ASTERIX data format.
7. air traffic control radar information method of testing according to claim 6 is characterized in that, whether judge among the described step C has text length specification symbol to comprise step in the control field of link layer:
Extract the Frame between two synchronization characters, second agreement that deducts this Frame is stabbed, if deducting the 2nd decimal number that byte is represented of the Frame after second agreement is stabbed is even number, and its numerical value equals the Frame total length and subtracts 5, then judging has text length specification symbol in the control field of link layer, otherwise judges in the control field of link layer there is not text length specification symbol.
8. air traffic control radar information testing equipment is characterized in that, comprises information reception and protocol conversion module and message processing module;
Described information receives and protocol conversion module, is used for judging host-host protocol according to synchronization character; According to the result of determination of host-host protocol, stab for the agreement of distinguishing the differing transmission protocols type in the Frame afterbody interpolation of this host-host protocol correspondence, send the data that have the agreement stamp afterwards;
Described message processing module is used for receiving described data, stabs the data characteristics of represented transport protocol type and the various air traffic control radar information under this transport protocol type according to the agreement of Frame afterbody and judges the data format that described data adopt; And according to determined data format, the data that receive are resolved and shown.
9. air traffic control radar information testing equipment according to claim 8 is characterized in that, described information receives and protocol conversion module, be used for searching message bit stream and binary number form synchronization character 0011 whether occurs, 0010, be then to be judged to be the BSC host-host protocol; Not, search whether occur binary number form synchronization character 0111,1110 in the message bit stream, be, then be judged to be the HDLC host-host protocol, and the afterbody of the Frame in the data flow that is judged to be the BSC host-host protocol increases by first agreement stamp; The afterbody that is judged to be the Frame in the data flow of HDLC host-host protocol is increased by second agreement to be stabbed; To have the data flow that described first agreement is stabbed and/or described second agreement is stabbed afterwards sends by wireless ethernet according to the network udp protocol.
10. air traffic control radar information testing equipment according to claim 8, it is characterized in that, described message processing module, be used for receiving described data flow, if Frame stabs ending with described first agreement, judge then whether following two bytes of last synchronization character are 0x10 and 0x02 in this data flow, are then to be judged to be Toshiba's data format, not, then be judged to be the Thompson data format, if Frame stabs ending with described second agreement, judge then in the control field of link layer whether text length specification symbol is arranged, be, then be judged to be Marko _ II data format, not, then be judged to be the ASTERIX data format.
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| CN104158627A (en) * | 2014-08-25 | 2014-11-19 | 北京邮电大学 | Multi-protocol automatic identification system and method for heterogeneous link |
| CN104200540A (en) * | 2014-08-15 | 2014-12-10 | 中国人民解放军空军装备研究院雷达与电子对抗研究所 | Data recording equipment |
| CN104639535A (en) * | 2014-12-31 | 2015-05-20 | 深圳市华信天线技术有限公司 | Data transmission protocol adaptive method of radio modem and device of radio modem |
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| CN1984124A (en) * | 2005-12-13 | 2007-06-20 | 四川川大智胜软件股份有限公司 | Multi-path line adapter |
| CN101014007A (en) * | 2007-01-31 | 2007-08-08 | 华为技术有限公司 | Data transmission method and transmitting apparatus and receiving apparatus |
| US20080144659A1 (en) * | 2002-05-07 | 2008-06-19 | Habiby Samer A | Network controller and method to support format negotiation between interfaces of a network |
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| US20080144659A1 (en) * | 2002-05-07 | 2008-06-19 | Habiby Samer A | Network controller and method to support format negotiation between interfaces of a network |
| CN1984124A (en) * | 2005-12-13 | 2007-06-20 | 四川川大智胜软件股份有限公司 | Multi-path line adapter |
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| CN104200540A (en) * | 2014-08-15 | 2014-12-10 | 中国人民解放军空军装备研究院雷达与电子对抗研究所 | Data recording equipment |
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| CN103269289B (en) | 2016-03-16 |
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