二声道电子音量控制：能控制TREBLE，BASS，VOLUME，用AT2051控制IIC芯片，用数码管显示音量DB。-two-channel electronic volume control : control CD, BASS, VOLUME with AT2051 IIC control chip, digital Display volume DB.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000951s ]
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:0.066391s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000914s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001174s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001074s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003142s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000911s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003755s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015605s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001095s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 118366 [ RunTime:0.275166s ]
