短語詞組短語arithmetic geometric average inequality 算術(shù)幾何平均值不等式arithmetic mean average 算術(shù)平均arithmetic moving average 算術(shù)移動平均數(shù)arithmetic mean average integral expression 算術(shù)平均式arithmetic average index number 算術(shù)平均指數(shù)arithmetic average difference quotient 算數(shù)均差商Arithmetic average weakening operator 算術(shù)平均弱化算子weighted arithmetic average 加權(quán)算術(shù)平均數(shù)quadratic arithmetic average 二次算術(shù)平均 返回 arithmetic average