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Now as soon as we start talking about things like the dominant, we are also aware of the evanescence of dominance.
说到支配性，我们就必须认识到支配并不是不变的。
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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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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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So if we're keeping n the same, we look and what we saw was that size actually decreases as we increase the value of l.
如果我们保持ｎ不变，我们看到随着ｌ值的,增大尺寸变小。
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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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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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So here are their payoffs and once again the basic structure of the game hasn't changed.
这就是他们的收益,这次博弈的基本结构还是不变
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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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And when I do this test, what I want to do, is say I'm going to pick the middle spot, and depending on the test, if I know it's in the upper half, I'm going to set my start at the mid point and the end stays the same, if it's in the front half I'm going to keep the front the same and I'm going to change the endpoint.
如果我知道目标数可能，再比中值点大的区间里，我可能就会把开始点设为中值点,而尾点不变，如果在小的那个区间里,就保持开始点不变而把尾点设为中值点，你们可以看到这儿的代码,就是这么做的,对不对？它是怎么做的？
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To see that,recall the fact that according to the personality view, as a theory of personality identity, the crucial point isn't that my personality stay identical.
要明白这一点，回想一下根据人格理论，作为个人认同感的理论，关键点不在于人格要保持不变。
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To what extent is Zachary, at that age, going to be that way forever?
这时的扎卡里,会在多大程度上一直保持不变
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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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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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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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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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And the difficulty with that approach, even if we break the question, whether not there're souls, the difficulty at the approach was that it seems as though the soul could constantly be changing while the personality who might call stays the same.
这种前提的难点在于，即使我们将问题分解，先不管灵魂是否存在，难点还在于,似乎灵魂可以,不断地改变，而人格,这个重要的方面，却保持不变。
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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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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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Therefore, if it's isothermal, the energy of the ideal gas doesn't change.
理想气体的，能量不变。
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That's another way of saying maintaining velocity if it's not acted upon by a force.
这就是不受外力作用时,速度保持不变的另一种说法
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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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But of course, as we know and thinking about familiar objects, we don't need to have every single piece of an object, of an identity stay the same to have the same feeling.So-- I think previously I talked about the steering wheel on my car.
但很明显的,根据我们的常识，我们不需要要求,所有的物体，都保持不变,从而得到同一个肉体-,我记得我之前讨论过,我的汽车的方向盘。
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At all future times, x proceeds as if nothing happened and then y, you are falling.
在此后的时间里 x 方向上的状态不变,而 y 方向上不断下落
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du/dT constant pressure is the direct derivative with respect to temperature here, which is sitting by itself under constant volume keeping this constant but there is temperature sitting right here too.
偏U偏T，p恒定是对,温度的直接微分，而它本身对体积不变,保持它不变，但是这里也有一个温度,这就是偏U偏V，T恒定。
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