通过51单片机对MB9200中文字符叠加芯片进行控制，实现在视频上叠加字符。-Through 51 Singlechip Chinese characters superimposed on the MB9200 chip control, realize characters superimposed on the video.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001242s ]
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:0.082742s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001621s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001252s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001950s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003329s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000774s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003766s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015196s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001110s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 150001 [ RunTime:0.320523s ]
