To get it,however, they have to go through or get rid of the Pandora natives: a tall,blue-skinned tribe called the Na'vi.

VOA: standard.2009.12.19

Let's say you have to go through three or four operations to get a final number, well, do it algebraically.

让我们说,你不得不通过3-4个操作,才能得到最终的数，好吧，用代数方法求解。

麻省理工公开课 - 固态化学导论课程节选

And I won't go through it, but what you can see is it's more or less, it is in fact, exponential.

我不想全讲一遍,但是你们可以看到。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's insulated. It's a closed system. In fact, it's an isolated system. There's no energy or matter that can go through that boundary.

系统指的，是盒子里的东西,它是封闭孤立的。

麻省理工公开课 - 热力学与动力学课程节选