提出了适用于大规模网络的组合随机用户平衡模型，能够同时预测出行分布和交通分配。
A combined stochastic user equilibrium model for simultaneous prediction of trip distribution and trip assignment on large-scale networks is developed.
以出行分布和交通分配模型为依据，导出城市路段交通量与小区土地利用的基本关系式。
Basing on the models of travel distribution and traffic assignment, the basic formula to show the relationship between link traffic volumes and zone land use in cities has been researched.
运量分布与交通分配是交通规划中的两个关键问题，但现有模型在我国城市交通规划的实际应用中存在不少问题。
Freight volume distribution and traffic assignment are two key problems in transportation planning. However, the existing models have some defects.
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