使用RBF对数据进行拟合，可显示拟合结果，可参考对RBF原理的讲解对代码及其算法进行进一步理解。
Using RBF to fit the data, the fitting results can be displayed, and the code and its algorithm can be further understood by the explanation of the explanation of the RBF principle.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001221s ]
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:0.088036s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001130s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002189s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001159s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003710s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001012s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003229s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020239s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001567s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 14158 [ RunTime:0.001443s ]
