该软件用于研究周期信号的混沌检测，通过Duffing方程，检测极微弱信号，非常有用。-software for the study of the cycle of chaotic signal detection through Duffing equation, detect very weak signal, very useful.
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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:0.100106s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002232s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002032s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.112971s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 239994 [ RunTime:0.001285s ]
