本程序介绍了搜索引擎的基本原理和实现过程。尽管本程序离真正的搜索引擎功能还很原始，但这些技术可移植到其它软件中，为我们服务。-This procedure describes the basic principles of search engine and implementation process. Although the program functions from the real search engine is still original, but these technolo