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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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And I know it is only the third quiz, but I like to keep the quiz number the same as the homework number.
我知道这只是第三次小测，但我喜欢将小测题数保持不变,就像家庭作业题一样。
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V2 So, if one goes to two and V1 goes to V2, and it's constant temperature, just what we've specified there.
如果状态1变到状态1并且体积从V1到，同时温度保持不变，这就是我们这里要讨论的问题。
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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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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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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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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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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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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 number of moles stays the same a closed systems, gas doesn't come out.
摩尔数保持不变,因为是闭系，气体不会跑出去。
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Now it's constant volume when the volume is constant.
因为体积,保持不变。
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but pressure is going to be constant.
保持不变。
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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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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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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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The Law of Inertia says that, "If a body has no forces acting on it, then it will remain at rest if it was at rest to begin with, or if it had a velocity to begin with, it will maintain that velocity."
惯性定律就是,"如果一个物体不受外力作用,那么静止的物体依然保持静止,如果物体有个初速度,那么就保持此速度不变"
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The temperature stays the same.
温度保持不变。
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Let's hang on for a little while longer to a set of conditions where we will maintain constant entropy, namely constant entropy and pressure.
我们先继续考虑,保持熵不变的情况，即保持熵和压强不变。
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But we'd like to relate it to what happens if we keep the temperature constant.
但是我们想知道如果保持温度不变的话,结果会怎么样。
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How do I keep p1 constant while I'm lowering the volume?
怎么保持压强不变,而减小体积？
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When you say that, it implies that the differential is given by this pair of partial derivatives.
这就意味着，内能的微分,等于偏u偏T，保持体积不变。
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There is a heat bath here that keeps the temperature constant.
这里有一个热库,来保持温度不变。
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There are a lot of variables.
还有很多量保持不变。
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I take V1 to V2 first, keeping the pressure constant at p1, then I take p1 to p2 keeping the volume constant V2 at V2. Let's call this path 1.
容易计算的路径，第一条路径，是首先保持压强不变,体积从V1压缩到。
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H We also saw that dS for constant H and p was greater than zero.
我们同样可以看到如果保持自由焓,和压强不变熵的变化dS也是大于零的。
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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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