I want to abstract that. And the abstraction you see, right here. I'm going to highlight it for a second so you can see it. I want you to look at it on the handout as well.

我需要进行抽象,这个抽象就在这儿,我把它强调给你们看看,我希望你也能看看讲义里的这部分内容。

麻省理工公开课 - 计算机科学及编程导论课程节选

All velocities I see you will add a certain number to get the velocities according to you.

而我观察到的速度,你也要给它加上某个数值,来得到你观察到的速度

耶鲁公开课 - 基础物理课程节选

It's saying, if you give me two numbers, I'll do the right thing.

也就是说，如果你给我两个数字，那么操作是正确的。

麻省理工公开课 - 计算机科学及编程导论课程节选

To gain an understanding of some of the issues involved, and the emergence of a tribal structure in the land, it's helpful to know something about the geography of Israel, which is why I have handed out for you a couple of different maps but one that gives you physical features .

为了了解其中一些事件，以及在这片土地上逐渐出现的部落形式，了解以色列的地理是很有好处的，这也就是我给你发了几份不同地图的原因,其中有一幅呈现了物理特点，在最上面。

耶鲁公开课 - 旧约导论课程节选

If you find one inertial observer, namely one person for whom this Law of Inertia works, I can manufacture for you an infinite number of other people for whom this is true.

如果你能找到一个惯性观察者,也就是适用惯性定律的人,我就可以给你找到,很多其他的也适用惯性定律的人

耶鲁公开课 - 基础物理课程节选

In fact, I would encourage you to think the way physicists do, even if you don't plan to be a physicist, because that's the easiest way to do this subject, and that is to follow the reasoning behind everything I give you.

其实,即使你们不打算以后当物理学家,我也希望你们能像物理学家一样思考,因为这是学习这门课的捷径,也就是利用我给你的条件一步一步地推导

耶鲁公开课 - 基础物理课程节选

The claim is, I can write any vector you give me as a real scale i plus a real scale j.

也就是说,我可以把任何你给我的矢量,写成 i 和 j 的实系数线性组合的形式

耶鲁公开课 - 基础物理课程节选