The American Civil Liberties Union has said that full body scans amount to a "humiliating" assault on the dignity of passengers that citizens in a free nation should not have to tolerate.

VOA: standard.2009.12.30

But there's another way to do this and I'm going to give you now the simplest example of the other way, which is to draw free-body diagrams.

不过还有另外一种方法,现在我来给你们演示,另外一种方法最简单的例子,也就是隔离法的受力分析

耶鲁公开课 - 基础物理课程节选

We want to free ourselves from the distractions of the body, but we don't want the body to die, because when the body dies the soul dies as well.

我们想把自己从肉体的干扰中解放出来,但是我们不能让肉体死亡,因为当肉体死去的时,灵魂也会同样消亡

耶鲁公开课 - 死亡课程节选

It refers to usually 'receptors' that are fixed in a cell, on a cell membrane, and 'ligands' which are dispersed throughout the body and free to diffuse around, and occasionally will find the cell.

受体这个词通常代表了,固定于细胞表面的分子,而配体分散于体内各处,能够自由扩散,它们偶尔会与细胞邂逅

耶鲁公开课 - 生物医学工程探索课程节选

Let's get that systematically by using free-body diagrams.

让我们系统地用隔离法来分析一下

耶鲁公开课 - 基础物理课程节选

So, we've got this nice Platonic picture where Plato says, "All right. So the mind can grasp the eternal forms, but it has to free itself from the body to do that."

我们这有一个柏拉图式的场景,柏拉图说,心灵可以认知永恒的型相,但是它必须先从肉体中解脱出来

耶鲁公开课 - 死亡课程节选

A simple example of free body diagrams.

隔离法的一个简单例子

耶鲁公开课 - 基础物理课程节选

The free-body diagram, it says you can pick any one body that you like and apply F = ma to it, provided you identify all the forces acting on that body.

所谓隔离法,就是说你可以任意 选取一个物体,分析出它所受的所有力后,单独对其运用 F = ma 进行计算

耶鲁公开课 - 基础物理课程节选