multiplicative halo

例句：

1. 1. The product of 3 and 4 is 12, which is a multiplicative number.
   3和4的积是12，它是一个乘法数。
2. 2. Multiplicative polynomials are used to model the behavior of many physical systems.
   乘法多项式被用来模拟许多物理系统的运行行为。
3. 3.In mathematics, a multiplicative identity is a number that when multiplied by any other number gives back the original number.
   在数学中，一个乘法恒等式是一个数字，当它乘以任何其他数字时，它给出原始数字。