这个是用VHDL实现的正负脉宽调制器，同样是对新手有帮助，高手不必看了。-This is achieved using VHDL positive and negative pulse width modulator, the same is to help novice, you do not have to read. Ha ha
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001281s ]
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:0.087909s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001235s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001932s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001324s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003671s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001163s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003351s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015879s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001531s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 299746 [ RunTime:0.001645s ]
