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

单词	random group sampling
释义	random group sampling Encyclopedia 农学整群随机抽样法释 random group sampling整群随机抽样法将所调查的对象或总体按一定规则划分成群，随机抽取若干个整群作为总体的样本，对抽取的整群中每一个抽样单元都进行调查的方法。
随便看	dual Chern class dual class Dual-class share structures dual coalgebra dual code dual coding dual coding theory dual collineation dual color infrared guidance dual combustor ramjet dual complex dual componentt liquid rocket engine dual cone dual configuration dual-conformal dual connection dual constraint dual control dual convex body dual convex cone dual core processor dual-core processor dual correlation dual correspondence dual couple

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