接下来的8位表示指数，其值的范围是- 125到+ 127。

The next eight bits are the exponent and can hold a value from -125 to + 127.

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

还可以使用指数表示浮点数，参见清单8。

Floats can also be expressed using exponents, as shown Listing 8.

youdao

The red line is the Halifax Home Price Index for greater London we're talking UK now.

红色线表示的是哈里法克斯伦敦住宅价格指数,现在说到了英国

耶鲁公开课 - 金融市场课程节选

So at a given level of overweight out here -twenty-seven, twenty-nine, thirty-one, thirty-three are the body mass index, the women are more likely to get Diabetes then the men are.

在超重情况下,如果体重一定,这里的27,29,31,33,表示体重指数,女性比男性更易患糖尿病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选