名词
中文翻译：子分数
同义词：
['sub-unit', 'sub-part']
例句：
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1.The scientist used a sub-fraction of the sample to test its properties.
科学家用样本的一小部分来测试其性质。
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2. The engineer designed a sub-fraction of the new building to meet specific requirements.
工程师设计了新建筑的一部分以满足特定要求。
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3.The researcher found that the sub-fraction of the population had different levels of education.
研究人员发现，该人口的子部分具有不同的教育水平。