STUDENT: Right, we're going to do that in a second, but the answer is Fibonacci numbers, we define the first two.
学生:听不见:,我们马上会试一试,但是答案是斐波那契数列,我们可以定义下最初的两个数。
But we've defined the enthalpy of those elements in their stable state at room temperature and pressure as zero, right?
但我们已经定义了这些,元素处于它们室温和常压下,最稳定的状态时的焓为零,对吧?
They define four credit risk categories and they define a formula involving the amount of assets in each of the categories.
他们定义了四个风险等级,然后根据每个风险等级下的资产额,定义了一个资产总额的计算公式
I worked on specifically, I looked at -and this is also the reason why it's difficult to say what is a just university, because we didn't just look at Princeton, we didn't just look at Ivy League Schools or at least private institutions.
我专门研究的是,顺便,这也是为什么,为公正的大学下定义很难得原因,因为我们研究的不仅仅是普林斯顿大学,也不仅仅是常青藤学校,至少不是私人学校。
So, in talking about covalent bonds, we should be able to still apply a more general definition of a chemical bond, which should tell us that the h 2 molecule is going to be lower in energy than if we looked at 2 separate hydrogen atom molecules.
那么,既然提到了共价键,我们应该还可以,给化学键下一个更普遍的定义,那就是告诉我们氢分子能量应该更低,与两个分开的氢的单原子分子相比。
So notice that common knowledge thanks guys common knowledge is a rather subtle thing, thank you.
所以要注意下,共同知识,谢谢你们二位,共同知识的定义是严格的,谢谢
Cause and effect below a certain level of definition is blurred.
在某种程度的定义的下的,因果关系是模糊的。
The possibility of definition persists.
给文学下定义还是有可能的。
Now, I'll first, before getting into details, make a definitional point.
在详细讨论之前,我想首先下一个定义
It's defined later down which is fine.
等下再定义这个函数,那也是可以的。
Yet, the notion of mass is defined.
人们还没给质量下定义
The person who does that best is Michael Pollan, and when you read his book, In Defense of Food, he spends some time in the book defining what food is and working through this--this quagmire of how do we define food and what's acceptable to eat, what's socially acceptable, what's personally acceptable.
这一点上迈克尔·伯伦做得最好,你们可以看看他写的书《为食物辩护》,他在书中给食物下了定义,并深入地探讨了这个难题,即如何区分食物与能吃的东西,社会普遍接受的东西,个人能够接受的东西
All right, so let's just see what we got, we'll print univs. Nope, not defined.
我们来显示下univs数组,噢,还没定义。
What we define as zero is the enthalpy of every element in its natural state at room temperature and ambient pressure.
我们将零点定义为每种元素,在室温和正常大气压下,在其自然状态下的焓。
Let me just define religious pluralism very simply.
我来简单地对宗教多元主义下个定义。
Well let's just use the definition.
我们来下定义
You cannot say to me, "Take a force, due to a spring, and see what force it applies and divide by the acceleration and get the mass, " because we haven't defined force, either.
你不能说,"给弹簧施加一个力,看看它能提供多大的力,然后除以加速度,得到质量",因为我们还没给力下一个定义
Now, I haven't defined mutual fund yet.
现在我还没有给共同基金下一个定义。
So, these are two different definitions of how to think about atomic radius, but really what you find when these are measured is they come up with almost the identical values, so there are tables, you can look up of atomic radii and see these values, and you can trust them that, they work for both this definition and for this definition here, in most cases.
这就是,关于原子半径的两种不同的定义,但实际上你会发现按照这两种方法,测量出的值是相等的,因此有很多关于原子半径的表格,你可以通过查阅它找到这些值,你可以相信这些值,它们对于这两种定义都是适用的,在大多数情况下。
Of course, they're all sorts of conditions under which a reaction could be wrong in the lab or outdoors or however, right. But this is the way we're going to define delta H of reaction.
当然,在实验室或室外,之类的环境中,在这些条件下,反应可能出错,但这是我们,要定义反应的△H的方法。
You realize it's very subtle, because the very first thing in that equation, which is m, has not yet been defined.
你会觉得这很微妙,因为方程里最基本的量 也就是 m,还没有人给它下定义
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