它是protel99的教程，教人如何使用protel画电路图和pcb版，非常有用。-It is the protel99 tutorial to teach people how to use protel draw circuit diagrams and pcb version, very useful.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001078s ]
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:0.064852s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000965s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001121s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000851s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003193s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000834s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003791s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014234s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001045s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 153834 [ RunTime:0.012839s ]
