“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	crystal cleavability crystal column crystal controlled oscillator crystal cup crystal defect crystal defects crystal dielectric laser crystal diffraction crystal diffraction index crystal diode crystal direction crystal direction group crystal direction vector crystal domain crystal edge crystal elasticity crystal embryo crystal engineering crystal face crystal face; crystal plane crystal family crystal field crystal field activation energy crystal field activation energy (CFAE) crystal field stabilization energies

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