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hairpin dune (向下风面移动的大抛物线沙丘,丘角彼此平行延伸,形成于风与植被发生冲突的地方和吹括恒定风向强风的地方); U-shaped dune (即抛物线沙丘,此 "U"形面与新月形沙丘相反、有的是在风蚀坑的发展中形成的) | |||
U-shaped dune; upsiloidal dune | |||
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chevron dune; V-shape dune (抛物线沙丘) | |||
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sigmoidal dune (指在风速大致相等的反向风作用下形成的一种弯曲沙丘,坡陡、丘脊尖峭) |
形沙 丘 : 176 phrases in 11 subjects |
Arabic language | 11 |
Desert science | 133 |
Engineering geology | 2 |
French | 1 |
General | 3 |
Hydroelectric power stations | 1 |
Oil / petroleum | 11 |
Space | 1 |
Technology | 7 |
Turk | 4 |
Wind Energy | 2 |