Crunch2是一个Web代理，他可以和任何浏览器兼容，他的主要功能是用基于规则的方法实现从网页上提取主题内容。规则可在界面上随意修改。-Crunch2 is a Web proxy, he can, and any browser compatible, and his main function is to use rule-based method of extraction from the thematic content of the page. Rules may be modif