computes the gravitational acceleration vector at a specified
％ ECF location using the JGM2 gravitational ellipsoid only.
％ Higher-order gravity terms (the "gravity anomaly") are
％ ingnored. Only the pure ellipsoid is used.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.024571s ]
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:0.143869s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.016445s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.017806s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.015142s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004407s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001178s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004035s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016581s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001270s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 490942 [ RunTime:0.016025s ]
