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词汇 Neutral buoyancy
分类 英语词汇 英语翻译词典
释义

Neutral buoyancy

原声例句
6 Minute English 六分钟英语

The way we practise spacewalk is in water. Water gives us the neutral buoyancy that we need.

我们训练太空行走是在水中进行的。水能给我们提供我们需要的中性浮力。

英语百科

Neutral buoyancy

Balance of forces on objects with negative, neutral and positive buoyancy
A neutrally buoyant diver does not need to fin to maintain depth

Neutral buoyancy is a condition in which a physical body's average density is equal to the density of the fluid in which it is immersed. The buoyancy offsets the force of gravity that would otherwise cause the object to sink (if the body's density is greater than the density of the fluid in which it is immersed) or rise (if it's less). An object that has neutral buoyancy will neither sink nor rise.

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