OPNET学习心得：一位OPNET高手所写的OPNET入门心得。文章虽然简短，但对初学者很有帮助-OPNET learning experience : a master OPNET written by OPNET entry experience. While the article brief, but helpful for beginners
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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:0.100484s ]
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