名词
中文翻译：孔隙密度
同义词：
['voidfraction', 'porosity']
例句：
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1. The hole density of the soilis an important factor in determining its quality.
土壤的孔隙密度是决定其质量的重要因素。
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2. The engineer calculated the hole densityof the tunnel to ensure its stability.
工程师计算了隧道的孔隙密度，以确保其稳定性。
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3. The study found that increasinghole density could lead to increased water absorption.
研究发现，增加孔隙密度会导致吸水量的增加。