| 释义 |
- n.新月形沙丘
- adj.呈新月形流动的；具有新月形沙丘性质的
1 ?新月形沙丘 Woodland) ,林地疏密度(W_density),耕地(Farmland) (2)沙地形态类（Shapes):新月形沙丘(Barchan Dunes), 平沙地 ( Flat Sandy Land ),缓起伏沙地(Undulating Sandy Land),灌丛沙堆(Vegetated Dunes) (3)草地(Grassland):草地(G... 2 ?新月丘 一、新月丘(Barchan Dune) 沙丘的形状似新月，主要是因风向固定不变所造成的。沙丘与风向直交，两翼较低，沙粒易为风力推动 . 3 [地理]?新月形砂丘 ... 新月形丘 erescentic dune 新月形沙丘 crescent dune 新月形砂丘 barchan ... 4 ?弧形沙洲 弧形沙洲: barcan; barchan; barkhan detail>> 尖嘴沙洲: cuspate bar detail>> .
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These strangely shaped dunes are known as barchan dunes and are common on both Earth and Mars. - 2
It is known for its dramatic dunes, including the crescent-shaped barchan dunes shown here, some of which can reach 100 feet (30 meters) high and 1,200 feet (370 meters) wide. 这里因有着壮观的沙丘而知名，比如图中的这些半月状的弧形沙丘，有些沙丘甚至可高达100英尺(30米)，宽达1,200英尺(370米)。
1From Russian барха?н ?(barxán), from Kazakh бархан ?(barxan). FROM: wiktionary |