本文提出了基于交通效率的城市道路网络的双向优化模型。
This paper puts forward a bi-level optimization model of urban road network based on transport efficiency.
如何在城市道路网中布设交通检测器是ITS建设时必须要研究的内容。
How to arrange the layout of traffic detector in urban road system is important when we develop ITS.
城市道路网络复杂，合理的除雪车辆调度方案仅仅依靠人工经验无法实现。
A reasonable snow emergency vehicle scheduling could not be achieved based on personal experience because of the complexity of urban road network.
在此基础上采集大量道路信息，溶入GIS技术，建立城市道路网络数据库。
Based on the collection of road information, the road network database is constructed by means of GIS technology.
小世界模型为研究城市道路网络的拓扑结构和内在特征等提供了新的视角和方法。
Small world model provides a new aspect and method for exploring the topological structure and intrinsic characters of urban road network.
提出基于城市道路网络容量约束下的交通目标结构优化模型，分析了模型的意义。
According to the city road network capacity restriction, Put forward the optimization model of the traffic target structure, and analyze the meaning of the model.
小世界模型为研究城市道路网络的拓扑结构和内在特征等提供了新的视角和方法。
The objectives of city road network planning and shortcomings of the available programming models were analyzed.
本文针对城市道路网的特点，对基于城市通路网的最短路径分析的关键技术进行了研究。
This paper studies and tests the key techniques of the shortest path analysis according to the characteristics of city road network.
本文在分析城市道路网结构与功能的基础上，指出基于路网整体结构才能提高道路网的功能。
The paper analyses the structure and the function of urban road network, and points out that an increased road network can only be gotten on an increased road network structure.
在对一些常用的阻抗函数分析的基础上，提出了基于公路网和基于城市道路网的两类阻抗函数。
It gives two kinds of impedance functions, which are used in highway and city road respectively based on analysis of impedance function in common use.
城市平面交叉口是城市道路网络的基本节点，对其实施合理的控制，是解决交叉口问题的关键。
The intersection is the basal node in city, and has important influence on traffic. So whether the intersection is controlled reasonably is the key to figuring out the traffic problems.
在城市道路总长度一定，机动车平均行驶速度一定的情况下，希望城市道路网的通行能力越大越好。
For given total length of city roads and average speed of motor vehicles, maximizing the traffic capacity of the city road network is always desired.
本文从九个方面阐述了我国城市道路网规划中的有关问题，并进行了深入的分析，提出了相关的建议。
This paper approaches recent problems of urban network planning from 9 aspects. Furthermore, detailed analysis and relevant suggestion are pointed out in the paper.
这样，1949年后的道路建设将城市道路网的旧的格网形式，转变为环状道路和放射状道路混合的形式。
Thus, post-1949 road building has altered the old grid pattern of the city's road network, to a mixture of ring roads and radial roads.
已有的均衡分配理论中的阻抗公式不包含车流在交叉口的延误，其研究成果并不真正适用于城市道路网络。
The cost formula in the existing equilibrium theory does not include the delay time at nodes. So, the researching results of the theory are unsuitable for urban road network.
对城市道路网承载的功能从交通运输、市政公用设施的埋设空间、城市骨架、绿化、防灾等七个方面进行了总结。
Functions of road network include traffic and transportation, inbuilt space of public facilities, urban space framework, afforesting, disaster prevention etc.
单向交通是在城市道路交通中缓解城市交通拥挤，充分利用现有城市道路网容量的一种经济、有效的交通管制措施。
One-way traffic is an economical and effective traffic control measure to relieve the pressure of urban traffic jam and make full use of the present urban traffic capability.
论文利用“交通单元划分法”得到多中心组团式城市道路网的布局方法，并用基于畅通可靠度的遗传算法对路网布局进行优化。
The way to disposal the road network in big cities is rised by the traffic unit divide method, and is optimized by the inherit method based on the unblocked reliability.
在分析城市道路网络最短路径算法和地理信息系统（GIS）特点的基础上，提出城市紧急事件发生后，应急调度中最佳路径算法。
Based on the analysis of the shortest path algorithm in urban traffic network and the characteristics of GIS, the algorithm of optimal dispatch path when emergency incident occurs is put forward.
目前我国城市道路网的评价没有一套较为系统的城市道路网评价体系，对于不同规划方案需要选择相应的评价方法并建立评价指标体系进行分析。
There is not a systematic set of urban road network evaluation system in our country at present. Different planning need choose the proper evaluation method and set up the evaluation index system.
目前我国城市道路网的评价没有一套较为系统的城市道路网评价体系，对于不同规划方案需要选择相应的评价方法并建立评价指标体系进行分析。
There is not a systematic set of urban road network evaluation system in our country at present. Different planning need choose the proper evaluation method and set up the evaluation index system.
应用推荐