This paper founds a network model based on the inter-regionalflow 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。
2
Using the principle of maximization of effect in economy, this article built a model of talents regionalflow, 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。
3
Groundwater flow system of Shanghai area is part of regionalflow system of Yangtze River delta; however, it has its own characteristics due to special environment of estuarine delta.