Some students find that they benefit from printing out the PowerPoints and they can just take their notes along with the slides as I go and that's one way to do it, but feel free to do it whatever way works for you, but those should be available.

有些学生认为,把幻灯片打印出来很有好处,这样他们在我讲课的时候,只要在讲义的空白处做笔记就可以了,这不失为一种方法,不过随你们怎么做,只要觉得有用就行,以上仅供参考罢了

耶鲁公开课 - 生物医学工程探索课程节选

So, it's very easy to calculate, however, the number of radial nodes, and this works not just for s orbitals, but also for p orbitals, or d orbitals, or whatever kind of work of orbitals you want to discuss.

径向节点，的数量，这不仅对s轨道适用，对p轨道，d轨道，或者任何你们想讨论的轨道，都是适用的,它就等于。

麻省理工公开课 - 化学原理课程节选