What he did was took de Broglie motion of the electron as a wave and developed a wave equation for such matter waves.

他所做的就是,用电子的德布罗意运动,作为波并且对于那种物质波,给出波动方程。

麻省理工公开课 - 固态化学导论课程节选

The other thing that we took note as is what happens as l increases, and specifically as l increases for any given the principle quantum number.

另外一个我们要注意的是,ｌ增加时如何变化，特别是对于某个给定的,主量子数ｌ变化时如何变化。

麻省理工公开课 - 化学原理课程节选

Now, for those of you who took Economics 115 or equivalent, what is the name of this line I've just drawn?

我来问一下学过经济学115的同学,这条曲线叫什么名字

耶鲁公开课 - 博弈论课程节选

So what I'm saying now is it took a long time for this to solidify. And one of the things we think made it solidify was the development of codices,a codex.

所以这花了很长一段时间,才得以统一，我们觉得,使它统一的是抄本的出现。

耶鲁公开课 - 新约课程节选