首先，表示指数的8位应该是从- 128到127，就像带符号的字节一样。

First, eight bits for the exponent should represent -128 to 127, just like a signed byte.

youdao

首先，表示指数的8位应该是从- 128到127，就像带符号的字节一样。

First, eight bits for the exponent should represent -128 to 127, just like a signed byte.

youdao