名词
中文翻译：构成质量
同义词：
['constituent', 'constituent mass例句：1. The composition of the material is crucial for its performance.（材料的成分对其性能至关重要。）2. The study of the chemical composition of the soil is essential to understanding its fertility.（研究土壤的化学成分对于理解其肥力至关重要。）']
例句：
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1. The composition of the material is crucial for its performance.
材料的成分对其性能至关重要。
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2. The study of the chemical composition of the soil is essential to understanding its fertility.
研究土壤的化学成分对于理解其肥力至关重要。
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3. The analysis of the constituent elements in the sample revealed a high concentration of heavy metals.
对样本中组成元素的分析揭示了重金属的高浓度。