高斯随机噪音程序，做理论模型数据时，一般会加高斯随机噪音，以模拟实际数据-Gaussian random noise process, make the theoretical model data, they generally will be Gaussian random noise to simulate the actual data
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.004716s ]
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:0.149206s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000937s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001165s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003147s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.017960s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002725s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 112192 [ RunTime:0.034259s ]
