If the traffic density increases much above that, the flow pattern begins to become unstable.
如果车辆密度大幅高于上述数字，则车流模式开始出现不稳定现象。
For the rapidity and traffic density of trains on high-speed railway, larger traction power is needed, so the electric power supply is adopted.
高速铁路列车速度快、行车密度大，要求牵引功率高，电力牵引成为高速铁路动力牵引的必然选择。
Some people suggest building more streets and roads to reduce traffic density.
有的人建议建更多的街道和道路以减少交通密度。
This paper has proposed a method to estimate traffic density using the output(traffic flow and time mean speed) of fixed traffic detectors.
本文提出了一种利用定点检测器数据（流量和时间平均速度）来获取交通流密度的方法。
Highway network planning is required to follow certain procedures. Discussion is made on the measurement of traffic density, design methods and assessment principles.
介绍了公路网规划应遵循的程序，并着重阐述了交通量预测方法、路网规划设计方法、路网规划的评价原则等。
The traffic density is one of the most important parameters in the traffic research.
车流密度是研究交通流理的重要参数之一。
Based on the technical conditions of the four major trunk lines, this article demonstrates the rational match between hauled weight, operating speed and traffic density.
本文根据四大干线的技术条件，论证了提速客货列车的牵引质量，运行速度，行车密度间的合理匹配。
The traditional methods are usually subject to various kinds of constraints, because the traffic density is not well distributed and microcell structure quite irregular.
当各规划小区话务量分布不均匀和蜂窝小区结构不规则时，这种传统方法受到诸多限制。
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。
Through research on project evaluation targets system, saturation degree, average speed, traffic density and average travel delay of works sections are defined to be evaluation targets.
通过方案评价指标体系的研究，确定了施工路段饱和度、施工路段平均车速、施工路段交通密度以及施工路段平均行程延误四个指标作为评价指标；
Communication range increases, the traffic density increases and improved the proportion of vehicles with communication capabilities will increase the success rate of information transmission.
通信范围的增大、车流密度的增大和具有通信能力车辆比例的提高都会增加信息传递的成功概率。
With the city's rapid development and gradual improvement of road infrastructure, urban traffic density increased year by year, the noise pollution of road traffic has become increasingly serious.
随着城市的飞速发展和道路基础设施的逐步改善，城市交通密度也逐年增加，交通噪声污染情况越来越严重。
Traffic density has fallen a little, but only to 2005 levels.
交通密度略有下降，但仍相当于2005年的水平。
Traffic density can be controlled via the menu by way of a slider.
交通密度能通过菜单中旳滑动条来控制。
Traffic density can be controlled via the menu by way of a slider.
交通密度能通过菜单中旳滑动条来控制。
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