“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	negatively definite form negatively definite kernel negatively definite matrix negatively definite quadratic form negatively graded module negatively invariant subspace negatively oriented base negatively pressurized irrigation negatively semi-definite negatively stable point negatively stable solution negative magnetoresistance negative mapping negative matrix negative meson negative metric negative molecule negative multinomial distribution negative nitrogen balance negative norm negative number negative octant negative orientation negative orthant negative parallax

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