Poet Walt Whitman gave this description: "I saw Mr.Lincoln, dressed all in black.

VOA: special.2009.12.10

In this description of the moderate and temperate enjoyment of nature, the Lady is giving us something like a Puritan economic theory.

在关于适度和有节制的享乐的描述中，这位女士给我们提出了类似清教徒的有利可图理论。

耶鲁公开课 - 弥尔顿课程节选

And our job is to find out what is the mathematical description of this path, this line in p-V's case that connects these two point.

我们的任务,就是找出，描述这条曲线的方程。

麻省理工公开课 - 热力学与动力学课程节选

So even within this framework of, given a description of a computation as a set of steps, in the idea that I could build a circuit to do it, let me suggest for you what would be a wonderful circuit to build.

所以即使需要在将计算描述，当成一系列步骤中的一步,这个框架之内,我也完全可以建立一个线路,来完成那个想法，让我为你们假设能建造起,一个多么棒的线路吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, using the terminology of chemists, which is a good thing to do, because in this course we are all chemists, we want to make sure that we're not using just the physical description of the numbers, but that we can correlate it to 1 0 0 what we understand as orbitals, and instead of 1, 0, 0, 1s we call this the 1 s orbital.

我们最好学会，利用这些化学术语，因为我们这课,就是关于化学的，我们,不仅要知道，这些数字,的物理描述，还要能把它,和我们知道的轨道联系起来，我们叫它。

麻省理工公开课 - 化学原理课程节选

Once you hear that description, it's easy to write the code, in fact. This is a place where the recursive version of it is much easier to think about than the iterative one.

实际上一旦你听到了大致描述,就能很轻松的写出代码来,在这一点上应用递归来解决问题,比用迭代要容易理解多了。

麻省理工公开课 - 计算机科学及编程导论课程节选