磁悬浮不依赖于车轮在轨道上的摩擦力。

Maglev doesn't rely on the friction of wheels on track.

youdao

垂直农业发展出来的一个变化是，在堆叠的、在轨道上移动的托盘上种植植物。

One variation on vertical farming that has been developed is to grow plants in stacked trays that move on rails.

youdao

什么是电子在轨道上的排布顺序呢？

What is the filling sequence of electrons in orbitals?

youdao

I have a final question for you: do you feel that Princeton university is on the right trajectory in answering the question of just university?

我再问你们最后一个问题，你们认为,普林斯顿大学是否在正确的轨道上发展么？,我指的是在公正的实践这一方面？

普林斯顿公开课 - 人性课程节选

What is the filling sequence of electrons in orbitals?

什么是电子在轨道上的排布顺序呢？

麻省理工公开课 - 固态化学导论课程节选

So what that means is that we're limited in any atom to having two electrons per orbital, right, because for any orbital we can either have a spin up electron, a spin down electron, or both.

这意味着在一个原子内,每个轨道上可以有两个电子，对吧，因为对任何轨道,我们可以有自旋向上或者自选向下或者两者都有。

麻省理工公开课 - 化学原理课程节选