We can't define it as an exact radius in terms of the definition we might think of classically.

我们不能给它定义一个精确的半径,按照经典的图像来。

麻省理工公开课 - 化学原理课程节选

Definition or define, depending on which sort of piece of history you come from.

也就是定义或者解释,取决于你来源于那段操作历史。

麻省理工公开课 - 计算机科学及编程导论课程节选

We'll look at things--sectors say they're cheap or expensive and exploit the opportunity; but at least in terms of how I define market timing, it wouldn't be included in that definition.

关注研究资产和行业的细节,看它们是便宜了还是贵了,来发掘投资的机会,但至少在我所定义的市场时机选择方面,并不包括这些

耶鲁公开课 - 金融市场课程节选

By definition I'm going to define gamma by Cp over Cv by definition.

把Cp/Cv记作γ,这完全是定义。

麻省理工公开课 - 热力学与动力学课程节选

If we defined food differently: that it's something that nurtures the body, something found in nature, something that doesn't harm the environment-- there are a number of criteria one can apply to define a food-- then we might come up with a different definition than this, but this is the way the nutrition field generally looks at it.

如果我们给出不同的定义,滋养身体的物质,在自然界找到的物质,不会威胁到身体的物质,有很多标准可以拿出来定义食物,我们也许可以就此重新进行定义,但这就是营养学看待食物的方式

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In every regime one of these groups he says will be the dominant class will be the dominant body the ruling body as he says in that definition and that ruling body will in turn he says define the nature of the regime.

他说，在每一个政体之中,这些类组中的一类将会是统治阶级,支配本体，统治本体,如他所说，在那样的定义之下,统治本体将会相对地定义政体的本质。

耶鲁公开课 - 政治哲学导论课程节选

OK, delta H is delta of u plus pV. By definition that's how we define enthalpy up here.

好，ΔH=Δ,根据定义，这就是我们。

麻省理工公开课 - 热力学与动力学课程节选