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proportional sampling的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
the population is divided into subpopulations (strata) and random samples are taken of each stratum
proportional sampling的相关资料：
近反义词
【近义词】
- representative sampling 代表性抽样,典型抽样...
- stratified sampling 分层抽样,分层抽样法,分...
