Analysis of the current situation of multiple search engines, and the typical multi-search engine system is introduced.

分析了多元搜索引擎的现状，并对典型的多元搜索引擎系统进行了介绍。

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Search engines like Google don't like to show multiple copies of the same content in the same search results.

像Google这样的搜索引擎可不喜欢在一次搜索中同样的内容有多个复制的版本出现。

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Larger search engines are able to perform multilingual searches, which present search results in multiple languages.

较强大的搜索引擎能够进行多语言搜索，并以多种语言呈现搜索结果。

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Another of its applications, BuzzDock, lets people use multiple search engines at once.

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Among them are an updated version of the Sherlock search system introduced last year, which allows users to search the Web using multiple search engines simultaneously.

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Three key sources of information include Web search engines like eHealthinsurance.com, insurance brokers that work with multiple carriers and the carriers themselves.

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