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Because it's so important. And I should add and also under reversible work, where the external pressure is equal to the internal pressure.
而且我还要说应该在外部压强,和内部压强相等的,可逆过程中引入它。
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He introduced the concept of electronegativity which was a measure, therefore, it is quantitative, of the atom's ability to attract electrons within a covalent bond and developed a scale of electronegativity.
他引入了电负性这一概念,一个反映着原子在成共价键时吸引电子的能力的数据标度，因此这是数量上的，在共价电子中,电子原子能吸引电子,并发展为一定规模的电负性。
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And I wanted to do it a different way which is a little bit convoluted, but it introduces the idea of a thermodynamic cycle, and it's something that we're going to use a lot in the class.
现在我将用另一种,有些复杂的办法来推导这一关系，在这一过程中引入,我们今后会常接触到的,热力学循环的概念。
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And to do this we're going to introduce valence bond theory, and the idea of hybridization of orbitals.
在这之前我们要引入价电子成键理论，和杂化轨道的概念。
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Conceptually, it's put at the top of my chunk of RAM, -- below it, goes initialized and uninitialized data -- - this is a fancy way of saying global variables come next -- and below that, comes what's called the heap.
概念上，它放置在内存块的顶端，在下面，已初始化的和未初始化的数据-,这是一种指明紧随其后的全局变量的设想方式-,在后来，引入了一个叫做堆的东西。
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One of the things I was to say in my introduction, but I can do it now.
有一条我本来想在引入部分说的,我现在就说了吧。
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Well, this shows what happened in the period after this vaccine was introduced into the general population so that would have been in 1954.
这表明了,疫苗在一九五四年,引入大众后的一段时间内,发生了什么样的情况
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Well, I think actually, you probably could tell a story where that was true, especially if we throw in enough doses of memory loss.
我想，实际上，这也许行得通，尤其是在引入失记的条件下。
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Why did a Southern strategy in modern American political history re-invent the Republican Party?
为什么在美国政治历史上,南方人重新引入了共和党的概念呢
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It is true mathematically, you can add two numbers, but you've got to ask yourself,"What am I doing as a physicist when I add these two numbers?"
在数学上它是正确的,你可以引入这两个常数,但是你需要问问自己,当我引入这两个常数时,这么做有什么物理意义
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I just want to introduce a bit of jargon here.
在这儿我们引入一个术语
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One of the things he does, and I guess this is one of the things to be put in neon from this lecture, is he opens up Russia, which had no secular influences at all, to western ideas.
他的成就之一,我想这也是今天讲座的重点之一,就是他将西方思想引入俄国,在此之前 俄国没有受到任何外界世俗的影响
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I wanted to show you that, so, first thing I'm going to do is say, all right, I know I'm going to need square root in here, so I'm going to, in fact, import math.
我们可以开始完成这个方法了，我想让你们看到完成这个方法的过程，第一件事情就是,我们在这儿需要一个求平方根的方法，实际上我将引入math包。
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What TEAL does is a number of things, most importantly, from a lot of new point is we introduce physics laboratory at the terms of small desktop experience that are done in the classtory.
而TEAL项目所做的事情有很多，最重要的是提出了一个新观念,即引入物理实验室,以小型桌面实验为主的,在一种新型教室里进行。
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What do you think the error is going to be by failing to recognize that at the end of 6 times 10 to the 23rd I have over-counted some energy?
你们可能会发现，这将会有误差,在6乘以10的23次方的末端,我多余地引入了一些能量？
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- And then I divide by an int -- that's okay because so long as you have a float involved at some point early on, you're okay.
然后我除以一个整型数-,那是可以的因为现在为止，我们在之前已经,引入了一个浮点数，你是对的。
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So, they developed this bifurcated tool, which would be appl--you'd put the stuff on the surface of the tool and then you'd scratch the skin in a certain way so that you could produce sort of a reproducible introduction of the vaccine into the skin.
所以他们发明了一种分为两叉的工具,把疫苗抹在这种工具表面上,然后以某种方式在皮肤上刮,这样就能将疫苗,重复不断地引入到皮下
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But one of the things that it can do, one of the things that sort of provides the underpinnings, as we'll see, for Plato's arguments for the immortality of the soul is the soul can think about--; well, here I'll have to introduce a word of philosophical jargon.
但是,在灵魂能做的所有事情中,我们会发现,有一件事可以说是,柏拉图论证灵魂不朽的基础,这件事就是,灵魂能够思考,在这里我要引入一个哲学术语
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Second formula tries to relate the final velocity of some time, t, to the initial velocity and the distance traveled with no reference to time.
第二个式子能把某段时间t的末速度,和初速度,经过的路程联系在一起,并且不引入时间
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Good. The question was, "When I talk about creativity here, am I trying to build in some appeal to the feeling that we may have when we're being creative?"
这个问题是,当我在这里讨论创造力的时候,我是不是想引入那些"当我们有创造力时,我们可能会有什么样的感受"的观点
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