When processing large-scale network security events, a network security situation evaluation system can be useful and help user to deal with these security events.

在大规模网络安全事件应急响应过程中，一个网络安全态势评估系统可以起到很好的辅助决策作用。

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This paper proposes an approach that computes network security disaster index and designs a security situation evaluation system for large scale network.

提出了一种计算网络安全危害指数的方法，并在这种方法基础上设计实现了一个大规模网络安全态势评估系统。

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U.S.Undersecretary of Defense for Policy, Michele Flournoy, says President Obama's decision to send 30,000 more U.S.troops to Afghanistan in the next six months and then begin withdrawing them by July 2011 was made only after a lengthy district by district evaluation of the security situation in Afghanistan.

VOA: standard.2009.12.08