用Monte-Carlo方法研究二维Ising模型的相变问题，求出临界温度T，比热C及磁化率χ-With Monte-Carlo method of two-dimensional Ising model of phase-change problem, find critical temperature T, specific heat C and susceptibility χ
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001123s ]
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:0.066067s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000993s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001190s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000958s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003175s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000793s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003835s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017260s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001287s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 130940 [ RunTime:0.015881s ]
