The number 1 in its multiplicative identity is practically bedridden, leaving other Numbers unchanged: 6 times 1 equals 6.

数字“1”在乘法中起一种限制作用，就是让其他数字保持不变：6乘以1还等于6。

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Also, the multiplicative inverse is the reciprocal of any number, that is, multiplying the reciprocal of any number by the number itself will yield the multiplicative identity.

此外，乘法逆是互惠的任何数量，也就是乘以倒数任何数目的数量本身将产生倍增的身份。

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