基本解釋[數(shù)學(xué)]簡(jiǎn)化除子詞組短語(yǔ)短語(yǔ)reduced divisor of the cost 成本降低驅(qū)動(dòng)因子reduced divisor更多詞組專業(yè)釋義數(shù)學(xué)簡(jiǎn)化除子