“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	noncommutative local ring noncommutative mathematics noncommutative measure noncommutative multiplication noncommutative polynomial noncommutative principal ideal domain noncommutative probability noncommutative probability space noncommutative residue noncommutative ring noncommutative semilocal ring noncommutative space noncommutative statistics noncommutative topology noncommutative torus noncommutative unique factorization noncommutative unique factorization domain noncommutative valuation noncommutative variables noncommutativity noncommuting operators non-compact non-compact algebra non-compact covering property non-compact group

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