在介绍高速公路交通流量调控理论的基础上，提出基于可变收费的流量调控方法。
Based the introduction of the theory of expressway traffic regulation, the paper give the traffic regulation method based variable pricing.
第二章主要阐述交通流的理论相关知识、当前常用的交通流量预测方法。
In the second chapter, correlative knowledge of the traffic flow theory and current traffic flow forecast methods are introduced.
许多电子地图都是依据理论速度计算时间，而不考虑每周和每天变化的交通流量。
Many digital maps use only signposted speeds to calculate journey times and take little account of the way traffic flows change during the week and at different times of the day.
在介绍高速公路交通流量调控理论的基础上，提出基于可变收费的流量调控方法。
This paper makes further research on the application of variable pricing theory in control of expressway traffic demand.
论文首先论述与系统设计相关的交通流量调查分析理论和技术，以及当前交通流量调查分析技术的发展趋势，为系统设计提供理论支持。
Firstly the theory and technology related with traffic analysis is discussed in this paper, and the development trend of traffic analysis technology now, in order to support the system in theory.
车流密度、行车速度和交通流量是反映交通流特征的三个基本参数，三者关系的确定和模型的建立是交通工程理论研究的基础。
The models of traffic density under the conditions of different levels of service are established according to the basic relationship among the velocity, volume and density.
车流密度、行车速度和交通流量是反映交通流特征的三个基本参数，三者关系的确定和模型的建立是交通工程理论研究的基础。
The models of traffic density under the conditions of different levels of service are established according to the basic relationship among the velocity, volume and density.
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