名词中文翻译
中文翻译：平均粒径
同义词：
['average grain size', 'average particle size']
例句：
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1. The meangrain size of the soil is about 0.3 mm.
土壤的平均粒径约为0.3毫米。
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2. The engineer measured the mean grain size of the sand.
工程师测量了沙子的平均粒径。
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3.The study found that the mean grain size of the sediment had increased significantly.
研究发现，沉积物的平均粒径显著增加。