PROTEUS单片机技术是现代电子工程领域一门迅速发展的技术，它的应用已经渗透到各种嵌入式系统中。-PROTEUS single-chip technology is the field of modern electronic engineering a rapidly evolving technology, its applications have penetrated into a wide variety of embedded systems.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001288s ]
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:0.098003s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001256s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001875s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001218s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003744s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001078s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003229s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015272s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001439s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 210365 [ RunTime:0.001432s ]
