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So that's a big help. And equilibrium happens when there isn't any possible change of state that would satisfy this.
这个非常方便，当所有的变化,都无法满足这个公式的时候,系统就达到了平衡。
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When you don't have to worry about criteria like that ordinary, mechanical energy rules supreme, and that's dictating where equilibrium lies.
如果你不担心像这样的要求,通常的机械能就占据主要地位，并且决定平衡位于何处。
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Normally, we do these things to keep an equilibrium among the different systems of the unconscious, but sometimes it doesn't work.
一般来说，我们会运用这些机制,去维持无意识系统的平衡，但有时防御机制也会不起作用。
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Good, this can't be an equilibrium because look what happens if Claire Elise stands a second.
很好,这不可能是个均衡因为,如果克莱尔·伊莉斯站起来会怎么样
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In other words, if we don't have to worry about entropy or volume equilibrium is achieved when energy is at a minimum.
换句话说，如果我们不担心熵,和体积的平衡,那么能量就得是最小的。
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Every time you do the experiment T in equilibrium with the heat bath at T, v2 you'll get the same p2 and V2.
与热库相接触的每次实验中,达到热平衡后的温度都是，压强都是p2，体积都是。
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It doesn't tell you, this is the equilibrium concentration that you'll end up with.
他无法告诉你,最终平衡时的浓度是多少。
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So it can't be an equilibrium, the exact prediction of the Downs model, two guys right on top of each other is not an equilibrium.
所以它不可能是一个均衡,确切的当斯模型的预测,两个一样的候选人不是一个均衡
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So I claim, if I've counted correctly, that this actually isn't an equilibrium.
所以我说,如果我数对了,这实际上不是一个均衡
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The game I just put up, that's a trivial example, it didn't really matter which equilibrium we played here, we just wanted to play an equilibrium, is that right?
但是现在讨论的这个小案例呢,到底达成哪个均衡并不重要,重要的是我们要达成均衡,是这样吧
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So this must be the Nash Equilibrium, that wasn't hard, right?
这点就是纳什均衡了,这不难是吧
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They aren't the equilibrium state.
它们不是平衡态。
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How do we know this isn't an equilibrium?
我们怎么知道这不是一个均衡
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So the state variables describe the equilibrium's state and they don't care about how this state got to where it is.
状态变量,描述平衡态，它们并不关心,系统是如何演化成这样的。
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So if I get rid of these arrows, there's no heat flowing because they're in thermal equilibrium, then I can't have an arrow here.
所以如果我擦去这些箭头，没有热流存在,因为它们处于热平衡，那么这里也不能存在一个箭头。
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We're going to find other properties that do care about the history of the system like work, that you put in the system, or heat that you put in the system, or some other variables But you can't use those to define the equilibrium state.
我们还会发现其他一些,与系统的历史有关的性质,比如你对系统做的功，或者你向系统传递的热量，或其他的变量,但你不能用它们,来定义平衡态。
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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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