The external creatures invasion was the important part in the creatures security region in recent years.

外来生物入侵是近年来生物安全领域的重要内容。

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The paper presents a practical dynamic security region (PDSR) based probabilistic dynamic security assessment model.

提出一种基于实用动态安全域的输电系统概率动态安全评估模型。

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A model of security region based probabilistic security assessment system of power transmission system was presented.

针对输电系统概率安全评估问题，提出了一种基于安全域的输电系统概率安全分析系统的模型。

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"UNASUR is doing some excellent work in integrating efforts in the region around things like energy and security.

VOA: standard.2009.04.18

The rising power of a militant group called al-Shabab in neighboring Somalia has also added a new security challenge in the region.

VOA: standard.2009.05.01

"The presence of outside forces in our region is there under the pretext of establishing security.

VOA: standard.2009.05.24

We engage with the Indian armed forces across all the services, and we contribute to issues such as piracy in the Gulf of Aden and elsewhere in the Indian Ocean region, and broader maritime security throughout the region.

WHITEHOUSE: Press Briefing with Ben Rhodes and Admiral Robert Willard

"The main issue to assess is whether the Algerian event represents a new ongoing threat and a general associated elevation in the risk environment or a one-off occurrence which may now result actually in tighter security in the region, " says Nick Robson, the head of Jardine Lloyd Thompson's credit, political and security risk business.

CNN: Oil and gas industry reviews security

Much has been made of the Obama strategic pivot to Asia involving the reallocation of U.S. security assets to a region where Washington sees the greatest economic opportunities and security risks.

CNN: 'Abe II' on mission to redeem Japan and himself