CLIPS是一个专家系统，它用C语言编定。全称是The C Language Integrated Production System.
它可以应用到很多的系统上，如Microsoft Windows,Macintosh,VAX 11/780等。事实上，由于CLIPS
由C语言编写，所以理论上，只要有C语言的编绎器，我们可以将CLIPS移值到任何的系统上。
专家系统是将某领域专家们的知识与经验，经过知识加工服务的过程，建立一套以推理的方式来解
决问题的系统。它就像某一领域的专家一样，能够对该领域的一系列问题进行判定。比如医学疹断
专家系统（疹断各种疾病），农业分析系统等。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003677s ]
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:0.119526s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003206s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001528s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001199s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004270s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001088s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003856s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022856s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001263s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 487124 [ RunTime:0.017489s ]
