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提起搜索引擎,略有经验的上网者都不会感到陌生。搜索引擎是我们在互联网上最常用到的信息查找工具。当我们想了解某方面内容并希望从某些网站查找这些内容时,会使用搜索引擎。常用的搜索引擎是收录了Internet上很多网站和网页内容的信息检索系统,我们称之为Internet搜索引擎。还有一种专门搜集某个特定网站的网页内容,可让用户进行网站全文检索的搜索引擎,我们称之为站内的搜索引擎。对于此概念,很多人都会感到陌生。
Lift the search engine, a little experienced Internet users will not feel strange. Search engines are the most commonly used information finder on the Internet. Search engines are used when we want to know something and want to find it from some sites. Commonly used search engine is a collection of many Internet sites and web content information retrieval system, which we call Internet search engine. There is also a special collection of web pages for a particular site content, allowing users to search the site full-text search engine, which we call the site search engine. Many people feel strange to this concept.