在微观交通流模拟中，由于驾驶行为的不确定性，难以建立精确模型。
It is hard to establish a precise model in the microscopic simulation of traffic flow because of the uncertainty of drivers' behavior.
交通信息获取、交通状况分析与评价是微观仿真系统实现交通模拟及方案论证功能所不可缺少的组成部分。
The traffic information obtaining, traffic status analysis and estimation are indispensable components to the micro-simulation systems for their traffic simulating and scheme reasoning functions.
车辆跟驰模型是微观交通流模拟的一个基本模型，用来分析和描述在无法超车的同一车道上一辆车(驾驶员)跟随另一辆车的方式。
Car following model is a basic model in traffic microscopic simulation, using to analyze and describe the way one vehicle (driver) follows another in a single lane of traffic.
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