用差分方法求解沃尔泰拉方程，此处为一个变元的方程，由于该方程同时含有微分和积分，一般求解有一定的困难。-use of the finite difference method for Volterra equation here as a variable element of the equation, As the same time contain differential equations and integral, the general solution is definitely difficult.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001056s ]
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:0.075547s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000919s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001050s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002966s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000816s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001124s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 129959 [ RunTime:0.025516s ]
