matlab编程，英文版的，既可学些matlab知识，又可以锻炼英文阅读能力。-matlab programming, English, and can learn some matlab knowledge, but also the training in English reading skills.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001665s ]
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:0.061593s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001224s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001427s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000918s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003147s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000763s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003857s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015437s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001221s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 21523 [ RunTime:0.017594s ]
