This paper analyzes the connotation and construction necessity, and finally puts forward the suggestion of secure information navigation system.

本文分析了学科导航系统的内涵、建设的必要性，提出了安全工程学科信息导航系统的建设构想。

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The paper expatiates the concepts and characteristics of invisible web, expatiates the reason of its forming in the information navigation system.

文章阐述了隐蔽网络资源的概念和特点及在信息导航中隐蔽网络形成的原因。

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The paper expatiates the concepts and characteristics of invisible web, expatiates the reason of its forming in the information navigation system.

介绍了隐蔽网络的定义、特点、形成原因以及类型，详细阐述了针对隐蔽网络的检索策略。

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But the digital gauges are functional and allow the flexibility to display more information, such as navigation directions or information about the all-wheel-drive system.

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Apple acquired several companies to construct its mapping technology, as well as using information from third parties, such as navigation system maker Tom Tom NV, before it was ready to boot Google Maps.

WSJ: Google Pounces on Apple Map Apology

Ultimately, the Compass Navigation System could be used worldwide to provide precise positioning data for the Chinese military similar to information already produced by the U.S. GPS for military field commanders.

CENTERFORSECURITYPOLICY: 2007: A Chinese space odyssey