单片机控制减速电机，红外循迹，壁障，运水，08年黑龙江电子大赛题目-Single-chip motor deceleration control, infrared tracking, barrier, transport, water, Heilongjiang in 2008 e-Competition Title
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000871s ]
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:0.101352s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.012153s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.025372s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.020324s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.011827s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.014211s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003872s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.037165s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.020382s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 139143 [ RunTime:0.014376s ]
