他为负数引进了一个符号。

He introduced a notation for negative Numbers.

youdao

他们还注意到DS：5表中的特定产品支持为负数。

They also noted that product specific support was negative in DS:5.

youdao

如果参数为负数，则数字的指数与该数字的绝对值的指数相同。

If the argument is a negative number, then the exponent is the same as the exponent of the absolute value of that number.

youdao

We notice that the value of E at r naught is negative, as it should be. It's a negative number.

我们主要到在r圈时E的值为负，和它本来的值一致，是一个负数。

麻省理工公开课 - 固态化学导论课程节选

When t is equal to 10,000 years or 10,000 seconds, you're going to find y is some huge negative number.

当t为一万年或一万秒时,我们得到y是一个极大的负数

耶鲁公开课 - 基础物理课程节选