二阶系统的最小二乘一次完成算法辨识程序，图形的横坐标是采样时刻i, 纵坐标是输出观测值z, 图形格式为连续曲线-second-order system of least-squares algorithm for a complete identification procedures, graphics abscissa is the sampling time i, longitudinal coordinates of the output value of observation z, graphical format for continuous curve
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001450s ]
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:0.077504s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001044s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001877s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001482s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004095s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001115s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004681s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016035s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001772s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 188162 [ RunTime:0.012744s ]
