所以，我们要怎么找，垂直于这个平面的向量？

So, how do we find this vector that's perpendicular to the plane?

youdao

所以这个外积还是垂直于同一个平面。

So it's still perpendicular to the same plane.

youdao

这个效应表明，有一种垂直于圈平面的力作用在磁极上。

The action of the negative pole of a magnetic needle is just as real as the action of the positive pole .

youdao

这个效应表明，有一种垂直于圈平面的力作用在磁极上。

The action of the negative pole of a magnetic needle is just as real as the action of the positive pole .

youdao