“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	chemical source chemical space chemical speciation chemical spinning chemical stability chemical stability condition chemical stability of pharmaceutical preparations chemical statistics chemical sterilization chemical stimulation chemical stoichiometric equation chemical storage enterprise chemical structure and properties of drug chemical structure coding chemical structure file format chemical structure of kerogen chemical structure retrieval chemical structure storage format chemical substance chemical substance; chemicals chemical supervision chemical supply chain Integration chemical surface treatment chemicals used in semiconductor integrated circuits chemical symbol

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