Threats to world security have come in multiple forms and assumed global dimension, which has increased the common interests of countries on the issue of security.

当今世界安全威胁呈现多元化、全球化的趋势，各国在安全上的共同利益增多。

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Now personnel emergency evacuation is one hot spot of the world security domain research.

人员紧急疏散是当今世界安全领域研究的热点之一。

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In the past, when the two major military blocs confronted each other, armed conflicts and local wars in some regions seriously disturbed world security and stability.

在过去两大军事集团对峙的背景下，一些地区的 武装冲突和局部战争严重影响了世界的安全和稳定。

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Leaders of the world's wealthiest nations have promised twenty billion dollars to increase food security in poor countries.

VOA: special.2009.07.11

What worries you about America today, terrorism, wars in Iraq, Afghanistan, economy, the deficit, medicare, social security or America's place in the world, which many say sliping or begining to slip?

今天的美国哪些地方让你担心呢，恐怖主义，对伊拉克和阿富汗战争，经济，赤字，医疗保险，社会保障,还是美国的国际地位，有人称美国的地位正在或开始下滑？

普林斯顿公开课 - 国际座谈会课程节选

and it's all about the security situation in the world right now between states,

它是一门关于当下各国之间安全局势的课程。

想进布朗的话 - SpeakingMax英语口语达人

' The survival of Saddam Hussein as a menace to world security once seemed 'unlikely.

CENTERFORSECURITYPOLICY: James M. Inhofe

He said the world food crisis has had "tragic political and social consequences" in some countries and could further endanger world security.

CNN: Ahmadinejad, Mugabe blame West for food crisis

The debate was initiated by Britain, which holds this month's council presidency, with the argument that climate change could pose to world security.

BBC: Security Council takes on global warming