仿真空时分组编码的误码率曲线，通过空时分组的性能曲线，得到其分集优势-Simulation of space-time block-coded BER curves, through the space-time block of the performance curve, by its sub-set of advantages
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001060s ]
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:0.068658s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001072s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001111s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000998s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003011s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000845s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003511s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014976s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001135s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 7813 [ RunTime:0.017770s ]
