名词
中文翻译：非分层样本
同义词：
['non-stratified sample', 'nonstratified population']
例句：
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1. Thestudy used a nonstratified sample of the population to gather data.
该研究使用非分层抽样的方法来收集数据。
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2.The researcher collected a nonstratified sample of the population for their analysis.
研究员为了分析，收集了人群的非分层样本。
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3. The sample was chosen to represent the entire population in a nonstratified manner.
样本被选择以代表整个人群，方式是无分层的。