节能时控器，根据每日供电波峰，波谷，定时用电。节能，降低用电成本。C51-AT89C2051 程序-When energy-saving controller, according to the daily electricity peak, trough, regular electricity. Energy saving, reducing electricity costs. C51-AT89C2051 procedures
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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:0.216722s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001492s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001449s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003294s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 135964 [ RunTime:0.034664s ]
