形状怪异的沙丘是地球和火星上比较常见的新月沙丘。
These strangely shaped dunes are known as barchan dunes and are common on both Earth and Mars.
阿曼一座新月形的沙丘脊由强信风吹成，在迎风的方向（图左侧）形成一面平缓的凸破，在背风面形成凹坡。
This crescent-shaped ridge of sand dune in Oman was formed by strong trade winds that form a smooth hill facing the wind (left) and concave slipface on the back.
在旱季的时候，大约8月至11月间，强风将泥沙吹进内陆，形成高高的呈新月形状的沙丘。
During the dry season, roughly August to November, strong winds push sands inland, forming tall, crescent-shaped dunes.
受西风的影响，风透过植被吹过周围的沙子，形成新月形状的沙丘。
The wind scours the sand from around the scruffy vegetation, dragging it into crescent shaped parabolic dunes that point in the direction of the prevailing westerly wind.
结果表明：新月型沙丘迎风坡基本处于风蚀过程；
The result showed: windward slopes of crescent dune are basically in the process of wind erosion.
其二为黄河两岸阶地和湖盆滩地的新月形沙丘丘顶沙粒粗于其它部位但分选仍然最好。
The second, the crest sand is coarser but still better sorted than any other position of dunes in the banks of the Yellow River.
其二为黄河两岸阶地和湖盆滩地的新月形沙丘丘顶沙粒粗于其它部位但分选仍然最好。
The second, the crest sand is coarser but still better sorted than any other position of dunes in the banks of the Yellow River.
应用推荐