And in Phase 2, you can sign up for however many more that's like, actually permitted.

在第二阶段，你可以报允许范围内的更多的课程。

关于授课系统 - SpeakingMax英语口语达人

So I changed the colors here to show that these are 2 p orbitals with an opposite phase or an opposite sign.

我这里换了一种颜色,表示2p轨道,不同的相位或者是正负号。

麻省理工公开课 - 化学原理课程节选

There's what's called Phase 1 and Phase 2.

这就是所谓的第一阶段和第二阶段。

关于授课系统 - SpeakingMax英语口语达人