That vector is called a "null vector".

那种矢量就叫做”零矢量“。

youdao

Lastly, the memory allocated to the vector is also freed and NULL vector is returned to the caller.

最后，还要释放分配给向量的内存并把NULL向量返回给调用者。

youdao

In this paper the focal mechanism of the major shock and several aftershocks has been studied and the strike of seismic fracture has been also determined by means of null vector data.

本文研究了主震与若干余震的震源机制解，并应用零矢量方法确定了地震破裂面的走向。

youdao

So that vector is called a "Null vector."

这种矢量就叫做"零矢量"

耶鲁公开课 - 基础物理课程节选

It's very clear that if you want to take A and ask, "What should I add to A so I get the null vector?"

显然,你们会拿 A 来问,"拿什么来加矢量 A 可以得到零矢量呢"

耶鲁公开课 - 基础物理课程节选