So that efficiency is something less than one, and we'd like to figure out what that is.

因此效率肯定小于一，接下来解释这是为什么。

麻省理工公开课 - 热力学与动力学课程节选

And, in this case, they had foil that was less than a micrometer thick.

这样的话，他们采用的箔的厚度小于一微米。

麻省理工公开课 - 固态化学导论课程节选

As we expected, it's less than one, and of course if we build an engine, we want it to be as high as possible, as close to one as possible.

就像预先期待的一样，效率小于一，当然如果我们建造一台热机，我们希望效率越高越好，尽可能接近一。

麻省理工公开课 - 热力学与动力学课程节选

Is the square root ever going to be less than 0?

一个数的平方根会小于0么？

麻省理工公开课 - 计算机科学及编程导论课程节选

00 Now I say while i is less than or equal to 100, I write my code, I sleep for a second.

现在我指明当i小于等于，我写下我的代码，我休眠一分钟。

哈佛公开课 - 计算机科学课程节选