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。
2
The operation of trucks carrying rate of 60%, tractor trailers proportion with up to 1:2, rejection of the turnover in complete hang transportation road freight the proportion of the above 12%.