“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	row of a table row of coordinates row operation row permutation row raft Haozi(work songs on rows and rafts) row rank row rank of a matrix row-reduced echelon form row selection row space row structure row sum row total row-type residential building row vector Roxana : The Fortunate Mistress Royal Academy of Arts Royal Academy of Dance Royal Academy of Dramatic Art Royal Academy of fine Arts Antwerp Royal Aeronautical Society Royal Aerospace Establishment Royal Agricultural College Royal Air Force Aerobati Team Royal Alberta Museum

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