Entropy increase principle in isolated system, which is deduced from the discussion of Clausius entropy and Boltzmann entropy, has further deduced entropy principle in open system as well.

通过对克劳修斯熵、玻耳兹曼熵的讨论，得到熵的本质和孤立系统的熵增加原理，并把孤立系统的熵增加原理推广为开放系统的熵原理。

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So, Boltzmann understood that and he explained how entropy is related to the arrow of time.

所以，波尔兹曼了解这一点并且他解释了熵是如何与时间之箭相关的。

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So we could get this result from another pathway, too, but a more simple and direct way is just to start directly from the Boltzmann result for entropy.

所以我们也能从另一途径得到这个结果，但一个更简单，更直接的方式是直接，从波耳兹曼的结果入手得到熵。

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