三本经典的电路高速设计,被国外视为高速 设计的宝典-3 classic high-speed circuit design, has been regarded as a high-speed design abroad Baodian
文 件 列 表
Digital Signal Integrity-Modeling and Simulation with Interconnects and Package.pdf High-Speed Digital System Design.pdf High-speed Digital Design - Johnson & Graham.pdf
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001832s ]
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:0.085451s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002324s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001992s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002196s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004094s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002094s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003293s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016241s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002569s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 128602 [ RunTime:0.001151s ]