There are two important numbers here: the .6259 is called the significand.

这里有两个重要的数字：.6259 称为尾数。

The next 8 bits are used to store the exponent and the remaining 23 bits are used to store the significand.

接下来的 8 位用于存储指数，其余 23 位用于存储尾数。