用于计算光子晶体透射率及反射率的MATLAB程序（另外一种传输矩阵）还有介质/真空/负折射介质/介质2的透射率的程序-photonics crystal program including calculateing transmission and reflection and including negative birefringence
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001001s ]
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:0.074448s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002594s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001292s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001019s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003065s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000871s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003804s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018341s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001184s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 3874 [ RunTime:0.013970s ]
