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词汇 Near space
分类 英语词汇 英语翻译词典
释义

Near space

原声例句
万物简史

When the magnetic field is working, these rays are safely herded away from the Earth's surface and into two zones in near space called the Van Allen belts.

如果磁场工作正常,这些射线会被安全地挡在地球表面之外,被赶进近空两个名叫“范艾伦辐射带”的地区。

啊,拓荒者!

All we have ever managed to do is to pay our rent, the exorbitant rent that one has to pay for a few square feet of space near the heart of things.

我们所能做的就是支付我们的租金, 一个人必须为事物中心附近的几平方英尺空间支付的过高租金。

英语百科

Near space

The Earth from approximately 100,000 ft (30,000 m) above Oregon, USA.

Near space is the region of Earth's atmosphere that lies between 20 to 100 km (65,000 and 328,000 feet) above sea level, encompassing the stratosphere, mesosphere, and the lower thermosphere. It extends roughly from the Armstrong limit above which humans need a pressure suit to survive, up to the Kármán line where astrodynamics must take over from aerodynamics in order to achieve flight. Thus, near space is above where commercial airliners fly but below orbiting satellites.

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