“Quota Sampling”的概念、定义、翻译、参考文献-科学参考

单词	Quota Sampling
释义	Quota Sampling Encyclopedia 理学【核心概念】释 Quota Sampling配额抽样调查人员将调查总体按一定标志分类或分层，确定各类（层）单位的样本数额，在配额内任意抽选样本单元的抽样方法。又称定额抽样。
随便看	branch conflict branch crushing machine branch current method branch curve branch cut branch delay slot branch divisor branch drawing branched branched chain amino acid branched-chain amino acid branched chain reaction branched covering branched covering space branched curve branched DNA branched element branched function branched hair branched horsetail branched minimal immersion branched minimal surface branched polymer branched solution branched structure of macromolecular chain

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