移动平均法
是指按照相等的时间间隔和相同的顺序对时间序列数据依次计算均值,并把计算结果排成新的动态数列,以此反映预测对象的变化规律,进行定量预测的方法。
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Energy sources may initially be divided into two kinds: non-renewable and renewable. The former group includes coal, oil, gas and, in the long run, nuclear; the latter waterpower, solar power and wind power. The energy from all these sources ultim