基本解釋[數學]季節(jié)變動指數英漢例句雙語例句Measuring the seasonal variation in a time series, we generally use two methods to calculate seasonal indexes—average of original data, trend adjustment for average.測定季節(jié)變動對時間序列的影響，一般按同期平均法（原資料平均法）和趨勢剔除法計算季節(jié)比率。indexes of seasonal variation更多例句專業(yè)釋義數學季節(jié)變動指數