飞思卡尔单片机MC9SDG128B的脉冲捕获程序，用于脉冲数目统计，可实现速度测量等。-Freescale MC9SDG128B single-chip pulse-capture process, the number of statistics for the pulse to achieve the speed of surveying.
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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:0.091407s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001228s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001073s ]
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