“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	marine cadastral marine cadastral chart marine cadastral management marine cadastral survey marine carbonate rock in China marine cartography marine chart geographical element marine charting equipment marine chemical industry marine chemical instruments marine chemical self-purification capacity marine chemistry marine chlorophyll meter marine cliff marine climatology marine climatostratigraphy marine coal-accumulating environment Marine Cognitive Physiology marine cold water species marine college marine combined pollution marine compressed air system marine conservation biology marine controlled source electromagnetic equipment marine controlled source electromagnetic survey

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