Search engine is the most important tool of inquiry network resource.

搜索引擎是查询网络资源的最重要的工具。

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With features of convenient, fast, easy-to-use, Search Engine runs as a widely used net tool which is generally accepted by public users in information society and network environment.

搜索引擎是信息社会与网络环境下大众用户广泛使用的一种工具，它以其方便、快捷、易用等特性为人们普遍接受。

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On Tuesday, Facebook introduced an upgraded search tool, called Graph Search, that will scour the massive social network to answer more sophisticated questions.

CNN: Facebook introduces 'Graph Search'

The first was for Graph Search, an advanced search tool for more effectively drilling down into your Facebook to network to find people and pages and companies.

CNN: Coming today: A Facebook phone?