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And so what happens when we remove these stops is that the piston slams up against the next pair of stops.
把挡板移开后活塞会,向上移动直道第二个挡板处。
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So we remove the stops, and the piston moves up, and now we remove one of these weights.
我们移走挡板，活塞向上移动，移走一个重物。
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Suppose we just remove stops, and the system slams up against the other stops.
假设我们要离开挡板，系统会上升达到另一对挡板。
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V2 Now we could put stops here at V2, but this piston would just kiss the stops.
现在我们可以把挡板放在这里，这时体积是，活塞会刚好碰到挡板。
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We have a piston. We have a pair of stops.
这有一个活塞，两个挡板。
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We've chosen two weights, so that this is p3.
这有两个挡板。
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And we don't really need stops up here.
也可以不要挡板。
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We have another pair of stops.
这有另外一对挡板。
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so we know how to do this, and we know this thing when it hit these stops, v2 the pressure with p2, and the volume was V2.
所以我们知道怎么计算，当活塞到达这两个挡板时，压强是p2，体积是。
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v1 We have stops here. We have p1, V1.
这有两个挡板，我们有p1和。
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