近年来，交通规划软件所使用的方法从对交通量的宏观分配转变为对单个车辆的微观仿真。
In recent years there has been a change in the underlying methodology used in transport planning software from macroscopic assignment of flows to microscopic simulation of individual vehicles.
在垂直螺旋度的基础上，定义了散度通量，水汽垂直螺旋度和水汽散度通量三个宏观物理量。
On the basis of vertical helicity, we define three parameters, namely, the divergence flux, moisture vertical helicity and moisture divergence flux.
应用ARIMA模型，对宏观交通量时间序列进行模型估计和预测。
The ARIMA model has been applied to evaluate and predict the time series of macroscopic traffic volume.
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