介绍欧拉角的程序，采用MATLAB语言进行编写，在Windows下直接操作，对于了解欧拉角有很大帮助-Euler angles introduced the procedure, using MATLAB language written directly in the Windows operation, for understanding the Euler angles of great help
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002227s ]
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:0.086796s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002210s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002282s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003750s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002497s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003439s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015292s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002567s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 11394 [ RunTime:0.001253s ]
