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You know, it's like lots of courses and all sorts of things that you're seeing, they're always the same.
你们知道，就像其它很多课程,和其它东西一样，都是不变的。
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Now for this experiment, this is a constant enthalpy experiment for the Joule-Thomson experiment, this is equal to zero.
对于这个实验，焦耳-汤姆逊实验,是一个焓不变的实验,焓变化等于0，所以我可以。
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If the base move is 0, then the price doesn't change So that makes sense. Interesting question.
如果这个基础位移是0，这个价格就不变,这是有道理的吗，很有意思的问题。
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Meter is something regular; it's a fixed scheme; it's inflexible, as Frost conceives of it here.
节拍是有规律的东西，是固定的排列;,这里弗罗斯特构想的是它是不变的。
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To speak of shepherds and shepherding in a pastoral poem seems almost invariably to be a strategy or a way to speak of poets and their craft of poetry.
在田园诗里描绘牧羊人,看起来是一种固定不变的策略或者方式,用以描述诗人和他们的造诣。
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There's one quantity that's going to come out the same, no matter who is looking at the vector.
但是也有一个量是始终不变的,不管是谁在观察这个矢量
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Things like the platonic form are eternal, and their eternal changeless, indestructible because they are simple.
像柏拉图形式这样的东西是永恒的，而永恒的东西是不变的不可毁灭的,因为它们是简单的。
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The mortgage payment was decided when you took out the mortgage, so that never changes; they than figure out what your mortgage balance is.
每月偿还额是一开始确定的,因此不变,这样就能算出当前的贷款余额
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All of that is a way of simply saying it was deep and abiding and well-rehearsed thousands of pages were written in defense of slavery.
所有我提到过的著作都是,为了表达深入人心的,持久不变的奴隶制,上千页的著作都是对其的辩护
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And this really is going to be a recurring theme throughout the course.
这将是贯穿我们整个课程的,一个亘古不变的主题。
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This ambivalence that was part of his personal life, the way he lived, would be a constant theme in subsequent Russian and still, in many ways, is today.
这种矛盾成了他个人生活的一部分,他的这种矛盾的生活方式在接下来的俄国,即便是在今天的俄国也是个不变的主题
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It is what it is.
本质是不变的。
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So that should mean that the energy that's transferred to the electron should be greater, but that's not what you saw at all, and what you saw is that if you kept the frequency constant there was absolutely no change in the kinetic energy of the electrons, no matter how high up you had the intensity of the light go.
所以这意味着转移到电子,上的能量也越大，但这并不是，我们观测到的现象,我们所看到的是,如果固定光的频率不变,不管光强如何变化,电子的动能没有任何变化。
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Maybe you don't control thermostats in your dorm room, some of you do and some of you don't probably, and maybe it doesn't work very well so it might not be a good example, but imagine a perfect thermostat that you set for a temperature and then the temperature stays the same inside the room no matter what the temperature is outside.
可能你根本就不理卧室里的恒温器,有些人去调它,有些人就置之不理,可能它压根就是坏的,所以这个例子也许并不恰当,但你还是想象一个完美运行的恒温器,你设定温度后房间里的温度就保持不变,不管外面温度是多少
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If I place my container of gas on the table here, and I come back an hour later, the pressure needs to be the same when I come back Otherwise it's not equilibrium.
如果我把装气体的容器放在桌子上，一小时以后我再回来时,气体的压强应该是不变的,否则它就不是平衡的。
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The constraint is the constraint of the experiment and the constraint of the experiment is that the enthalpy is constant. So the constraints we have here, is the constant enthalpy.
这个实验的限制,就是焓是常量,所以这里的限制是焓不变,我们考虑的这个过程。
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I think the reason books are bigger and bigger but still carry the same information is that examples are more and more interesting.
我认为书越来越厚但是,所包含的信息仍然不变,原因就在于仅是例子越来越吸引人
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And there's a certain property associated with heat flow with b and it didn't change.
具有某种与热量流动有关,的特定的性质,它是不变的。
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And so the set of properties that describes system equilibrium doesn't change.
这些描述系统的属性,平衡是不变的。
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There's always, and I think this is nearly invariable -there's an element in Milton's similes that stands outside the framework of the basic comparison.
有一点是时常出现并且几乎不变的,-就是在弥尔顿的明喻中始终有一个元素,是从基本的对比框架中脱颖而出的。
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The gold standard was a success in the sense that the price of gold stayed constant because that's what the whole system was designed to do.
金本位制度是一个成功,因为金子的价值保持不变，并且这也是,人们当初对这设计整个系统的意图所在。
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The purpose here is to look at a series of processes in which temperature is held constant, and we're going to calculate how much work we get from allowing a gas to expand under various conditions.
目的是让大家了解一下,几个保持温度不变的过程，然后我们将计算,气体在不同膨胀过程中,的对外做功。
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The length of the vector is the length of the vector.
这个矢量的模长是保持不变的
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That was a constant enthalpy change.
这个过程是一个自由焓不变的过程。
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The Joule experiment was a constant energy experiment, right. Here we're going to have to find a constant enthalpy experiment, and that is going to be the Joule-Thomson experiment. That's going to extract out a physical meaning to this derivative here.
非常像焦耳实验,焦耳实验是一个能量恒定的实验,我们这里要做的是，找到一个焓不变的实验,也就是焦耳-汤姆逊实验,这个实验可以把这里的微分式形象化。
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Invisible things don't change follows 4.
无形的东西是不变的，接下来是。
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This was a constant trait.
这是他不变的特质
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The number 3 is changeless.
数字3是不变的。
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But for now assume that GetInt just makes the cursor blink or at least stay steady -- it depends on your computer and operating system and such.
但是现在假设GetInt只是使光标闪烁,或者是不变的--它依赖于你的电脑,和操作系统之类的。
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It's the constant enthalpy process that we're looking at. This we can do experiments on.
是一个焓不变的过程,这个量我们可以做实验。
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