Farm extension pattern is a community of aim, object, content, strategy, method, structure and movement mechanism of farm extension in a nation or region.

农业推广模式是一个国家或地区农业推广目标、对象、内容、策略、方法、组织结构及其运行机制的总和。

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The road traffic safety system of the whole nation or a region is a grey system, which could be used to easily ascertain the correlated factors of road traffic accidents.

全国或某一地区的道路交通安全系统是一个灰色系统，可应用灰色关联分析法方便地确定影响交通安全的主要相关因素。

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A sound financial system can to some extent promote the development of the economy of a nation (or a region).

一个良好的金融体系可以在一定程度上促进一个国家(或地区)的经济增长。

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"Pakistan is a nation which could either serve as a force for stability and progress in a volatile region, or it could become the epicenter for radicalism and violence on a cataclysmic scale,".

VOA: standard.2009.05.04

Gates said al Qaeda has increased its activity in Pakistan and begun partnering with other extremist groups in the nation -- a situation that threatens not just the country or region, but the whole world.

CNN: Gates: U.S. willing to send troops to Pakistan

Every nation in every region now has a decision to make: Either you are with us, or you are with the terrorists.

CENTERFORSECURITYPOLICY: The war America fights