The basic method and procedure of elevator selection are discussed in this paper. A simple method of traffic calculation and analysis are presented combined with engineering practice.

阐述了电梯选型的基本方法和步骤，结合工程实例介绍了一种简便实用的交通计算分析方法。

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Calculation results of city traffic parameters show that drivers visual perception lag time in the total reaction time cannot be ignored.

从城市交通具体参数计算结果表明，跟驰车辆驾驶员总反应时间中视觉感知滞后时间是不可忽视的。

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The geometric model and computer programming of local highway network plays an important role in traffic estimate, as well as the calculation of shortcut and its reorganization.

区域公路网络结构的几何模型及计算机实现、最短路的计算及其辨识在交通量预测中起着重要的作用。

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