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。
Regular physical activity may improve brain function, both by increasing blood flow to the brain and stimulating the production of hormones and nerve growth factors involved in neurogenesis.
有规律的体育活动有助于改善脑功能，它不仅可以增加流入大脑的血液，还可以刺激与神经发育有关的激素及神经生长因子的产生。
Because the payments for final goods and services must eventually flow back to the owners of the factors of production as income, income payments must equal payments for final goods and services.
因为为商品和服务所发生的支出，最终还是会作为产出商品的收入回流到卖家手中，收入和支出一定是相等的。
Major factors leading to oil flow away are high pressure injection and unbalance of injection and production.
导致原油外流的主要因素是高压注水和注采不平衡引起的。
During the development, the production of producers is affected by many factors, such as the attenuation of formation energy, pressure sensitive effect and the attenuation of fracture flow capacity.
对于异常高压特低渗透压敏油藏注水开发困难，一般采用人工压裂依靠天然能量开发，开发过程中油井产量受地层能量衰减、压敏效应以及裂缝导流能力衰减等因素的影响。
During the development, the production of producers is affected by many factors, such as the attenuation of formation energy, pressure sensitive effect and the attenuation of fracture flow capacity.
对于异常高压特低渗透压敏油藏注水开发困难，一般采用人工压裂依靠天然能量开发，开发过程中油井产量受地层能量衰减、压敏效应以及裂缝导流能力衰减等因素的影响。
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