一个小巧的PDF格式书籍阅读器，绿色软件，不用安装，已经包含亚洲语言支持包，比那些大型PDF阅读器强得不止百倍！-a compact PDF format for reading books, green software, no installation, included Asian language support packages, than those of large-PDF readers in more than 100 times!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001359s ]
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:0.093707s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001230s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003675s ]
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