在电压过零点触发或截至可控硅的导通或闭合；有效通断电压；应用稳定可靠；-Triggering voltage zero-crossing point or at the turn-on SCR or closed the effective on-off voltage application of stable and reliable
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000869s ]
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:0.065989s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001122s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001257s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000996s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003149s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000846s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003740s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014929s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001177s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 216961 [ RunTime:0.013781s ]
