用于实现单目标跟踪的仿真。采用单传感器单目标的方式，介绍了基本的数据关联方法。-Used to achieve single-target tracking simulation. Single-sensor single-objective way to introduce the basic method of data association
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SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.109153s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002583s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002734s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002012s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002385s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 22024 [ RunTime:0.001328s ]
