一本新的介绍无线通信原理的英文专业书,相信对学习专业和英语都有帮助.-It s a new book of introducing the principles of wireless commnunication,and it can be helpful in your study of speciality and English.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001517s ]
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:0.065751s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001126s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001185s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001008s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003172s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000860s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003654s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014732s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001217s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 152718 [ RunTime:0.012162s ]
