In contrast to the storage of integers, the storage of a value with a fractional part requires that we store not only the pattern of 0s and 1s representing its binary representation but also the position of the radix point.

• 和证书存储比起来，存储小数部分的值时，它要求我们存储的不仅仅是用二进制的0.；1串表示出来，而且还要表示出它的小数点的位置。