所有的美国人，无论所在城市距离远近，规模大小，即便隔山隔水，你们也要记住：你再也不会被忽视。
So to all Americans, in every city near and far, small and large, from mountain to mountain, and from ocean to ocean, hear these words: You will never be ignored again.
由隔水底板至自由面的距离是空间和时间的函数。
The distance from the impermeable base to the free surface is a function of space and time.
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