该文件是基于51内核的单片机制作的MP3,内容包括原理图,源程序以及相关芯片介绍,敬请笑纳-The document is based on 51 core microcontroller production of MP3 players, including schematics, source code and related chipsets, please heart
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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:0.087099s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001326s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001049s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001614s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 106474 [ RunTime:0.001296s ]
