You may notice an air pressure change on an elevator ride that transports you many stories, but you need only dive a meter or so below the surface of a pool to feel a pressure increase. The difference is that water is much denser than air, about 775 times as dense.
【 在 zxf 的大作中提到: 】
: 这种简单的物理不会错的。你明白一点就行，不存在超距作用，你受到的气压只决定于你附近气体的状态，和几千米高处毫无关系。
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FROM 114.224.114.*