计算光纤模场分布和传播常数，输入模式的阶数，计算得到各类模式的模场分布。直接运行main，在其中修改参数，至少可以计算5层光纤结构。-Calculation of optical mode field distribution and propagation constant, the order input mode, calculated by various types of mode-mode field distribution. Direct run main, in which the modified parameters can be calculated for at least 5 layer fiber structure.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.004579s ]
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:0.103499s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000844s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001119s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000952s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003166s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000875s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003969s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014731s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001291s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 4308 [ RunTime:0.024202s ]
