用来判断 硬件设计是否良好的规则, 让不懂硬件的人 对硬件的布置有所了解.-used to judge whether good hardware design rules, let the people do not understand the hardware right hardware layout understand.
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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:0.079532s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001036s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000943s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001595s ]
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