实现对精密星历数据的读取,并能内插出任意时间点卫星的位置,且能评定内插的精度.-to achieve precise ephemeris data to the reader, and interpolation from any point in time the satellite location and can assess the accuracy of interpolation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001439s ]
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:0.097210s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001302s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002089s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001237s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004203s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001091s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003441s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016780s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001491s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 117147 [ RunTime:0.001454s ]
