“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	pumped heat energy storage pumped-heat energy storage pumped hydro energy storage pumped storage pumped storage hydraulic structures pumped storage machine pumped storage power station pumpedstorageunits pumped thermal electrical storage pump efficiency pump energy balance pump experiment pump for hot bituminous binders pump frequency pumping pumping irrigation and drainage pumping irrigation and drainage in China pumping irrigation and drainage of planning pumping lamp pumping Lemma pumping lemma pumping level pumping light pumping loss pumping mechanism

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