车流密度的英文

traffic density

vehicle density

• 密度:    density; thickness
• 交通密度；车流密度:    density of traffic
• 电流密度, 扩散流密度。:    current density

例句与用法

1. Based on traffic flow theory , speed and density is used to describe traffic movement
   摘要以交通流理论为基础，用车速和车流密度来描述车流的运行状态。
2. Simulation is used to analysis the tendency of congestion equilibrium and the tendency of congestion level with density change
   用数值仿真的方法分析拥挤度随车流密度的变化趋势，及拥挤平衡的变化趋势。
3. From the viewpoint of macro dynamic characteristics of freeway traffic flow , this paper classifies the freeway , gives a nonlinear macro dynamic traffic flow model of freeway using density and speed as state variables and then identifies the parameters by using searching approach step by step , finally gives an identification instance
   摘要从高速公路交通流的宏观特性和动态特性出发，对高速公路进行了两级分段，以车流密度和车流速度作为状态变量，给出了高速公路非线性的宏观动态交通流模型，进而采用直接搜索法对模型中的参数进行了分段辨识，并给出了辨识实例。