说明：  基于对象的垂直搜索引擎越来越受到人们的关注，结合这一热门技术，详细介绍了机票比价搜索系统的设计与实现。该 系统基于垂直搜索的思想，采用模板方式的网页抽取技术，提供给用户全面的机票信息。
(Object-based vertical search engine more and more people' s attention, combined with the hot technology, detailed information on ticket price ratio search system design and implementation. The system is based on vertical search ideas, the way web pages using the template extraction technology that gives you complete ticket information.)