GPS测量中，地心空间直角坐标转换为地理坐标的源代码，需要输入椭球参数-GPS measurements, geocentric spatial rectangular coordinates into geographical coordinates of the source code, need to enter the ellipsoid parameters
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001280s ]
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:0.089836s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001204s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002513s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001272s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003645s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001376s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006358s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014256s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001234s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 151361 [ RunTime:0.001285s ]
