cadence公司pcb内部培训的资料,并且附带其中的例子程序!比市面上任何一本cadence的书好!-pcb-house training cadence company information, and examples of procedures attached to them! than a cadence on the market any good books!
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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:0.105120s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002332s ]
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