| 单词 | Rotor cloud |
| 释义 |
Rotor cloud
原声例句
冷知识百科大全 Sometimes, this kind of turbulence is actually visible thanks to rotor clouds in the eddies and lenticular clouds over the tops of the mountains, but ideally, you know about it before you see it. 有时，这种湍流实际上是可见的， 这要归功于涡流中的旋翼云和山顶上空的荚状云，但理想情况下， 你在看到它之前就知道它了。
英语百科
Lee wave   In meteorology, lee waves are atmospheric stationary waves. The most common form is mountain waves, which are atmospheric internal gravity waves. These were discovered in 1933 by two German glider pilots, Hans Deutschmann and Wolf Hirth, above the Krkonoše. They are periodic changes of atmospheric pressure, temperature and orthometric height in a current of air caused by vertical displacement, for example orographic lift when the wind blows over a mountain or mountain range. They can also be caused by the surface wind blowing over an escarpment or plateau, or even by upper winds deflected over a thermal updraft or cloud street. |
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