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Primary commodities for a longer shelf life, using the weighted moving average method units.
主要适合于商品保质期较长、采用移动加权平均法的单位。
Methods The trend values were calculated and the monthly indexes were adjusted with moving average method of season prediction method, and then the model was applied.
方法 用季节预测法中的移动平均比率法计算趋势值与调整月指数 ，最后应用模型。
Moving average method is one of time series forecasting method, if time series have no apparent tendency moving, using moving average method can accurately reflect actual situation.
移动平均法是一种时间序列预测法，当时间序列没有明显的趋势变动时，使用移动平均就能够准确地反映实际情况。
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