Ti 公司低功耗RF芯片选型资料.其中有13.56-27MHz,300-1000MHz ,2.4GHz等等芯片选型参考-Ti low-power RF chip companies Selection information. Among them, 13.56-27MHz ,300-1000MHz, 2.4GHz chip, etc. Selection of reference
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001245s ]
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:0.087181s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001577s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001173s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003723s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001015s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014433s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001400s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 231820 [ RunTime:0.001580s ]
