秒表C51程序，包含键盘扫描， 在数码管上显示各个数字， 使用80C51单片机-stopwatch C51 procedures, keyboard scanning, digital control in the various figures show that the use of 80C51 microcontroller
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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:0.086981s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001294s ]
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