... shifting of sand dunes 风沙化 shifting sand burying crops 移动的沙子埋掉庄稼 shifting dunes and sand 移动的沙丘与沙子 ...
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These patterned stripes are part of Erg Chech, a desolate sand sea in southwestern Algeria, Africa, where the prevailing winds create an endlessly shifting collage of large, linear sand dunes.
这些规则状的条纹属于舍什沙漠的一部分，位于非洲阿尔及利亚西南部荒凉的沙海，不断吹拂的大风创造出无数漂移不定、呈线性的沙丘。
The differentiations of calculating lacunarity indices of shifting sand dunes which have same area but different distribution forms are obvious.
详尽地分析了流动沙丘面积相同，分布形式不同而产生的间隙度指数差异。
As passing over the Sahara in northern Africa, Chiao took this picture of the Eastern Sand sea-a vast basin filled with shifting dunes-in Algeria.
北部非洲的撒哈拉沙漠。这张照片中是阿尔及利亚境内形状变化不定的沙海。
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