multiplicative quadratic form

例句：

1. 1.The cost of the new software is multiplicative to the price of the old one.
   新软件的成本是旧软件价格的乘积。
2. 2.The product of two numbers is a multiplicative function.
   两个数的乘积是一个乘法函数。
3. 3.The multiplicative property of a number is its ability to be multiplied by any other number.
   一个数的乘法属性是指它可以被任何其他数相乘。