季节变动预测法
季节变动预测法-
利用我国近3年各季度磷肥产量的统计数据，运用季节变动预测法中的温特斯指数平滑法建立磷肥产量的预测模型，对2004年各季度磷肥产量进行了初步预测。
The China 's outputs of phosphate fertilizer in 4 seasons in 2004 are forecasted , based on the forecasting model deducted from Winters exponential smoothing with the season conversion , and the data in the various season in the past 3 years .