So, how many distinct, so again, we're talking about distinct kinetic energies, a spectrum for the element hafnium, 72 and I'll tell you here that it has a z of 72, so you don't have to spend two minutes searching your periodic table.

好，有多少分立的……还是一样，我们讨论的还是不同的动能，铪元素的光谱中出现，而且我来告诉大家铪的原子序数是，这样你就不用因为在元素周期表中找它,而花费两分钟的时间了。

麻省理工公开课 - 化学原理课程节选

And so if you say de Broglie's name to many physicists, the tagline they associate with de Broglie is "matter waves" as distinct from light waves.

如果你向很多物理学家提及到德布罗意，他们觉得德布罗意中心思想就是,是物质波不同于光波。

麻省理工公开课 - 固态化学导论课程节选

And we don't have all the answers to these questions but what we've found so far by studying the cerebellum parallels in many ways what has been seen at the whole brain level. We know that there are distinct kinds of learning and memory that depend on distinct brain regions.

对这些问题，我们还不能一一给出答案,不过，迄今为止，通过对小脑的研究，权衡对大脑已知的了解,我们发现，不同的脑区有着各自的学习记忆能力。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选