名词
中文翻译：冲积层沉积物分选
同义词：
['alluvial deposit', 'alluvial sedimentation', 'alluvial sorting']
例句：
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1. Thestudy of alluvial sorting is crucial for understanding the geological evolution of a region.
研究冲积层沉积物分选对于理解一个地区的地质演变至关重要。
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2. During the construction of the new highway, engineers carefully sorted the alluvial deposit to ensure its stability.
在修建新高速公路的过程中，工程师们仔细地对冲积层沉积物进行分类，以确保其稳定性。
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3. The alluvial sorting process helps us understand how different types of sediment are transported and deposited in rivers and streams.
冲积层沉积物分选过程有助于我们了解不同类型沉积物是如何在河流和溪流中被运输和沉积的。