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單詞乎

representative sample

representative sample是什么意思、representative sample怎么讀

representative sample漢語翻譯

【化】 代表性試樣
【經】 代表抽樣

representative sample英語解釋

名詞 representative sample:

  1. the population is divided into strata and a random sample is taken from each stratum
    同義詞：stratified sample, proportional sample
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