名词
中文翻译：分层抽样
同义词：
['stratified sampling', 'stratum sampling']
例句：
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1.In this study, we used stratification sampling to ensure a representative sample of participants.
在这项研究中，我们使用了分层抽样以确保参与者的代表性样本。
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2.The researchers conducted stratification sampling to collect data from different regions of the country.
研究人员进行了分层抽样，以收集来自国家不同地区的数据。
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3.The stratification sampling method was crucial in identifying patterns in the data.
分层抽样方法在识别数据模式中至关重要。