“multi-stage random sampling”的概念、定义、翻译、参考文献-科学参考

单词	multi-stage random sampling
释义	multi-stage random sampling Encyclopedia 农学分级随机抽样法释 multi-stage random sampling分级随机抽样法将总体看为不同级别大小的抽样单元组成，然后对不同级别的抽样单元分级进行随机抽样的方法。又称多级随机抽样法、多阶段随机抽样法、巢式随机抽样法。
随便看	rock deformation experiment based on drilling rock deformation parameters experiment rock deformation properties rock density experiment rock drifting rock drill rock drill-ability rock drillability rock drilling features rock dynamics rock dynamics theory rock edicts and pillar edicts of King Aśoka Rockefeller Center rock elasticity rock elastic wave experiment based on drilling rock electrical experiment rock engineering rock engineering construction rock engineering design rock engineering disasters rock engineering excavation rock engineering measures rocker rocker arm rockerarm drilling machine

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