trend inferences meaning in Chinese

趋势推理

The forecast is quantitative analysis in the paper . the amounts of cargo flow are forecast by generation models of transportation demand and the directions distributing of cargo transportation are forecast by distribution models . the forecast methods which have already been used for amounts of cargo transportation are trend inference method , smooth method of index and grey system method ; the forecast methods which have been used for cargo transportation distributions are fratar method and furness method
预测od流主要运用了定量分析预测法。 od生成预测用到的预测方法有趋势外推法、指数平滑法和灰色系统法等； od分布预测用到的预测方法有佛莱特( fratar )法和弗尼斯( furness )法。