短語詞組短語weighted arithmetic mean 加權(quán)算術(shù)平均;加權(quán)算術(shù)平均值;加權(quán)算術(shù)平均數(shù);平均數(shù)weighted arithmetic mean method 加權(quán)算術(shù)平均法Lo weighted arithmetic mean 加權(quán)算術(shù)平均值Method of Weighted Arithmetic Mean 加權(quán)算術(shù)平均法weighted d arithmetic mean 加權(quán)算術(shù)平均 返回 arithmetic weighted mean