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Ⅲ运输量和技术标准 (1)划分供求区交通设施的服务范围,称为供求区(见经济调查书籍)。供求区的核心有点与线两种形式。飞机场、火车站、码头都是点;一系列的火车站或码头,就成为线,公路更是这样。划分供求区的范围,依据当地交通条件(包括:道路与供求区核心的距离、地形、气候等自然影响和交通工具能力)和生产上的需要(包括:原料或半成品送往加工厂,粮食运往仓库等)。
Ⅲ Transportation volume and technical standards (1) Divide the service scope of the transportation facilities in the supply and demand area, called the supply and demand area (see Economic Survey Books). The core of supply and demand area is a little bit and line two forms. Airport, railway station, terminal are points; a series of train stations or terminals, it becomes a line, the road is even more so. The scope of supply and demand zones is based on the local traffic conditions (including the distance from the core of the road to the supply and demand zone, the natural influence of the topography and climate, and the ability of means of transport) and the production needs (including raw materials or semi-finished products sent to processing plants, Warehouse, etc.).