本软件用于计算常用的LC谐振频率,并联电阻的反运算,节能灯的元件参数计算-The software used to calculate the LC resonant frequency used, the anti-parallel computing resistance, energy-saving lamp components parameters
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001276s ]
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:0.117905s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001658s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001963s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001246s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003680s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001077s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003202s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014680s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001334s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 132477 [ RunTime:0.001977s ]
