名词短语
中文翻译：相对密度测试
同义词：
['relative densities', 'relative measurements', 'relative quantities']
例句：
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1. The researchers conducted relative density tests on the soil samples to determine their mineral content.
研究人员对土壤样本进行了相对密度测试，以确定它们的矿物质含量。
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2.During the analysis, the relative density tests revealed a significant difference in the particle size distribution between the two samples.
在分析过程中，相对密度测试揭示了两个样品之间颗粒大小分布的显著差异。
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3. The relative density tests were crucial for understanding the material's behavior under different conditions.
相对密度测试对于理解材料在不同条件下的行为至关重要。