是一个对直流电动机进行编程的代码，对直流电机的pwm方式控制的编写有一定的指导作用-The DC motor is a programming code of the DC motor pwm control of the preparation of the guiding role of a certain
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001111s ]
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:0.076273s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001803s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001106s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003385s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001012s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003869s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019483s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001142s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 136329 [ RunTime:0.554965s ]
