对通用串行总线#$％ 的技术特点和数据传输机制进行了较详细的分析，并讨论了具有#$％ 接口
的数字摄像系统的实现。该系统具有一定的实用价值及应用前景。-23 of the Universal Serial Bus! $ Of the technical features and data transfer mechanism for a more detailed analysis, and discussed with# $ Interface of the digital camera system. The system has a certain practical value and application prospect.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001538s ]
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:0.090467s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001142s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001944s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001151s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003609s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000984s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003248s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014946s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001341s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 155137 [ RunTime:0.001357s ]
