A negative face has an outward normal pointing in a direction opposite that of the positive x-axis.

负向的外法线指向与正x轴相反的方向。

youdao

So, it will actually be pointing in this kind of direction.

因此它应指向这个方向。

youdao

The driver and three of his mates, who seemed to be along just for the ride, were pointing vaguely back in the direction from which we had just come.

司机和他的三个同伴朝巴士开过来的方向泛泛指了一下，那三个同伴看来只是搭车的。

youdao

It's good to have a vector pointing in the radial direction of length one.

所以引入这么一个模长为 1,方向沿圆心向外辐射的矢量作用很大

耶鲁公开课 - 基础物理课程节选

At each point, er is a different vector pointing in the radial direction of length one.

矢量 er 在每一点处都不同,方向都从圆心指向该点,模长为1

耶鲁公开课 - 基础物理课程节选

But existing plans to photograph extrasolar planets in this way involve orbiting arrays of reflecting telescopes all pointing in exactly the same direction.

ECONOMIST: The search for alien life

Last month, however, we slipped back, losing more jobs than we gained, though the overall trend of job loss is still pointing in the right direction.

WHITEHOUSE: New Investments in Jobs and Clean Energy

Certainly, there is a moral compass at work, and it's pointing the minister in a different direction than the leader of the Church of England.

BBC: God, poverty and the government