比较详细地列出了各种现行的稳压电源，对于从事模拟开发的工程人员有很大的参考价值-a more detailed list of all the existing power supply, engaged in the development of simulation engineering staff have great reference value
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001300s ]
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:0.122557s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001409s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002507s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001395s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004895s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001453s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004361s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016271s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001485s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 123306 [ RunTime:0.001473s ]
