单片机和计算机的串口通信,简单方便的通信方式,成熟的VB设计界面和高效的单片机技术-Single-chip and computer serial communications, is simple and convenient means of communication, mature VB interface design and efficient single-chip technology
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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:0.085664s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002270s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002129s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003203s ]
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