基本解釋期望函數(shù)詞組短語短語desirability function approach 滿意度函數(shù)法desirability function更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)滿意度函數(shù)機(jī)械工程滿意度函數(shù)