Just like our substance doesn't care where the gas is. It's kind of universal.

与压强无关的参考点,那就再好不过了。

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And my purpose will be not to say something as a postulate, but to show you where everything comes from, and it's best for you if you try to follow the logic.

我的目的不是,简单地告诉你们一个假说,而是给你们讲清楚这个理论的来龙去脉,如果你们能理解推导过程那就再好不过

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