著名大学的小波变换课件，浅显易懂。特别适合学习小波的人。-Wavelet transform well-known University of courseware, easy to understand. Particularly suitable for those who study wavelet.
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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:0.118824s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001225s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001312s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001187s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001311s ]
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