This paper defines generalized travel cost in urban raft transit and analyzes the principles of guiding urban development by urban rail transit based on the urban gravitation field model.
通过对《宁波市快速轨道交通沿线用地控制性详细规划》研究工作的归纳与总结，论述城市快速轨道交通沿线用地控制规划的研究思路与方法。
In the first model users' generalized travel cost are assumed to be weighted sum of the standard deviation and the mean travel time, and users have perfect knowledge of the road network condition.
在第一种模型中，假定出行者的广义出行费用定义为平均行程时间和行程时间均方差的线性加权和，同时出行者能够正确认识自己的广义出行费用。
The generalized cost was defined as the linear weighted sum of travel time, traffic congestion degree, and section reliability.
将广义成本定义为行驶时间、道路拥挤度、路段可靠性三者的线性加权和。
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