negative sign造句

1、And I probably have a negative sign somewhere.
所以在这里可能会有个负号。

2、The negative sign indicates that this is compressive stress.
负面的迹象表明，这是压应力。

3、And I've reversed the fraction here because of the negative sign here.
我交换了分子和分母，因为这里有个负号。

negative sign翻译