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首页 - 英汉词典 - R字开头的单词或词组 - representative sample

英语解释

representative sample

汉语翻译

【化】代表性试样
【经】代表抽样

representative sample英语解释

名词 representative sample:

the population is divided into strata and a random sample is taken from each stratum
同义词：stratified sample, proportional sample

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