区位条件中最主要的是交通因素，其影响力具有决定性作用。
Traffic communication is the most important factor among them and its influence has a decisive role.
并且建立起基于道路交通因素的开发强度临界控制的计算公式。
A formula of development intensity critical control based on road traffic factors is set.
省际边境地区经济发展缓慢主要是由：自然地理因素、体制因素、交通因素造成的。
Reasons of the slow economic development in the provincial border areas include: natural geographical factors, systematic reasons, and transportation elements.
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