N 元语法分析是一个办法，考察了程序使用字节、 字符或文本字符串的结构。N 元语法分析的一个关键问题是在特征选择爆炸的特点当 N 增加时发生。实验
在本文内代表程序作为操作代码（操作码） 密度直方图所获得的动态分析。A支持向量机用来创建一个参考模型，其中用来评价功能减少，这是两种方法
"的交叉领域"和"子空间分析使用的特征向量"。研究结果表明特征之间的关系复杂和简单统计滤波方法不提供可行的办法。然而，生产特征向量子空间分析
合适的过滤器。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000855s ]
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:0.149070s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.015993s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001853s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001429s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004580s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001202s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.016338s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.075266s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003817s ]
UPDATE `jrk_articles` SET `hits` = 3 WHERE `id` = 326733 [ RunTime:0.015013s ]
