product of difference的意思|示意
美 / /
英 / /
差积
product of difference的网络常见释义
产品的卖点 ... FAB FeatureAdvantageBenefit 产品特性，利益，功效推销法 POD Product Of Difference 产品的卖点 CVS Convenience Store 便利店 ...
差积 ... product of character 特征值的积 product of difference 差积 product of generating function 生成函数（乘）积 ...