“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	backward substitution backward sweep backward type backward type cycle backward wave backward wave amplifier backward wave oscillator backward-wave oscillator backward wave oscillator, BWO backward wave power amplifier backward wave tube oscillator back warming backwarming backwash effect back washing backwater back wave back wave, backward wave backwind back with ground glasses screen back-wrapped binding Baco crater Bacolod Bacon ba-construction

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