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地球科学, 运输, 航空 |
baza oblakov |
运输, 行业, 建造 |
zgornja meja |
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英语 词库 |
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军队, 缩写 |
ceil |
缩写 |
clg (eatme) |
航空, 加拿大 |
The lesser of: a the height above ground or water of the base of the lowest layer of cloud covering more than half the sky; or b the vertical visibility in a surface-based layer which completely obscures the sky |
航空, 国际民航组织 |
The height above the ground or water of the base of the lowest layer of cloud below 6000 m 20 000 ft covering more than half the sky |
航空, 美国人 |
The heights above the earth's surface of the lowest layer of clouds or obscuring phenomena that is reported as "broken," "overcast," or "obscuration," and not classified as "thin" or "partial." |
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军队 |
combat essential items list |
缩写, 化学 |
maximum allowable exposure limit (Lesya1986) |
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缩写, 建造 |
ceiling |
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缩写 |
ceiling |