ISO/IEC 14443 标准时每一个从事rfid 13.56Mhz开发工作的人员需要了解的关键技术。-ISO/IEC 14443 standard rfid 13.56Mhz every one involved in the development staff need to understand the key technologies.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001324s ]
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:0.091593s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001333s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002005s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001310s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003774s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001116s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004194s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020957s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002012s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 200373 [ RunTime:0.001697s ]
