详细介绍描述了GPS-INS位置组合导航的原理，为仿真打下良好基础。-Detailed description of the location of GPS-INS integrated navigation principles, in order to lay a good foundation for simulation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001898s ]
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:0.088205s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002298s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002171s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003733s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002221s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014955s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002430s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 227394 [ RunTime:0.001319s ]
