英语词汇“proportional sampling”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-ABC网

单词	proportional sampling
释义	proportional sampling 汉语翻译【化】比例抽样英语解释：名词 proportional sampling: the population is divided into subpopulations (strata) and random samples are taken of each stratum 同义词：stratified sampling, representative sampling
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proportional sampling