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请输入您要查询的英文单词：
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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更新时间：2025/9/13 20:59:13