This paper founds a network model based on the inter-regional flow of production factors.

文章基于生产要素跨区域流动视角，构建了区际要素流动的网络模型。

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Using the principle of maximization of effect in economy, this article built a model of talents regional flow, through comparing the effect before and behind the flow decision.

运用经济学中效应最大化的原理，分析了人才产生区域性流动的内在机制。

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Groundwater flow system of Shanghai area is part of regional flow system of Yangtze River delta; however, it has its own characteristics due to special environment of estuarine delta.

上海地区地下水流系统是长江三角洲系统的一个子系统，但由于河口三角洲这一独特环境，使其独具特征。

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That would be a gift for China, as would the moral kudos that would flow from defusing regional tension.

BBC: North Korea: A test for the Obama doctrine

As the economy recovers, the country should move forward to realize bilateral and regional agreements, enhancing the international flow of goods, services and capital.

WSJ: Lloyd Blankfein: The Business Plan for American Revival

But if oil starts to flow, Argentina might seek regional support for an economic blockade.

ECONOMIST: Another diplomatic victory for President Fern��ndez