名词
中文翻译：细部
同义词：
['subfraction', 'minute fraction']
例句：
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1. Thefine fraction of the solution is very smalland difficult to detect.
溶液的细部非常小且难以检测。
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2. Thescientist used a microscope toobserve the fine fractions ofthe crystal.
科学家使用显微镜观察晶体的细部。
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3. The fine fractions ofthe mixture were analyzed to determine its chemicalcomposition.
混合物的细部被分析以确定其化学组成。