多功能计算器，界面选择较多，能够实现多种功能，如角度弧度等运算-Multi-function calculator, interface more choices, to achieve a variety of functions, such as the angle of curvature, such as computing
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001883s ]
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:0.078387s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001073s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000971s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003165s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001074s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026804s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001316s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 199010 [ RunTime:0.023730s ]
