名词
中文翻译：子集
同义词：
['subset', 'subset', 'sub-collection']
例句：
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1.The data is organized into several sub-aggregates for easier analysis.
数据被组织成几个子集以便更容易分析。
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2.The team has been working on a sub-aggregate project for the past few months.
团队在过去几个月一直在进行一个子项目。
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3. The researcher found that the sub-aggregate of the population was significantly different from the overall population.
研究者发现该人群的子集与总体人群有显著差异。