计算发电机励磁系统的机断电压功率,能够判断系统的稳定性和能观能控性能-Calculation of Generator Excitation System machine off voltage power, able to judge the stability of the system observability and controllability properties
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003183s ]
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:0.073325s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000951s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001124s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001123s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003102s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000865s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003663s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015286s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001196s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 4474 [ RunTime:0.031465s ]
