生成具有空间相关性的图像。整幅图像被看作是一个离散的随机场，每个像素都是一个随机变量。对于空间相关性模拟和研究非常有用！-Generated with a spatial correlation images. Whole image is seen as a discrete random field, each pixel is a random variable. For space-related research of simulation and very useful!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001139s ]
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:0.085488s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001069s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001847s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001255s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006454s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001502s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004171s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016619s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001762s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 4269 [ RunTime:0.001465s ]
