The model overcomes the unpredictability due to monotonicity and periodical fluctuation of freight volume.
该模型克服了货运量的单调性和周期波动性给预测带来的困难。
Meanwhile, the freight volume is calculated in each link and the freight volume of Jiu-hua is obtained at last.
并对九华物流园区各个环节的物流量进行了计算，最终得出九华物流园区的物流量。
Urban rail transit has the characteristics of large freight volume, fast, safety and less environmental pollution.
城市轨道交通具有运量大、速度快、安全性高和环境污染低等特点。
The paper puts forward an improved method on the basis of gravity model to forecast the od freight volume of railway luggage and parcel transportation.
对铁路行包od运量的预测提出一种基于重力模型的改进方法。
After analyzing the data on railway freight volume of recent years, the authors establish the railway freight volume forecasting model by use of grey theory.
通过对近年全国铁路货运量的统计数据进行分析，运用灰色理论建立了铁路货运量预测模型。
The characteristics of China's rural transportation are as follows , freight volume small, the distance short, the goods to disperse, and on the poor road conditions.
我国农村运输业的特点：运量小、运距短、货物分散，并且可行驶的道路条件差。
Meanwhile, the length of time on training sample was determined as the recent complete economic cycle when using artificial neural network for railway freight volume forecasting.
并提出在利用人工神经网络进行铁路货运量预测时，训练样本的时间长度为最近的一个完整经济周期。
Aiming at solving the demanding problem of road traffic system in exactly forecasting the traffic freight volume, an introduction is made into the Grey Model GM (1, 1) for forecasting.
针对公路交通系统在准确预测交通运量时的棘手问题，引进灰色预测GM(1,1)模型进行预测。
Freight volume distribution and traffic assignment are two key problems in transportation planning. However, the existing models have some defects.
运量分布与交通分配是交通规划中的两个关键问题，但现有模型在我国城市交通规划的实际应用中存在不少问题。
Freight volume distribution and traffic assignment are two key problems in transportation planning. However, the existing models have some defects.
运量分布与交通分配是交通规划中的两个关键问题，但现有模型在我国城市交通规划的实际应用中存在不少问题。
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