“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	pollution discharge outlets pollution discharge permit system pollution ecology pollution export pollution exposure dose pollution exposure-response relationship pollution from tailings pollution halo hypothesis pollution haven hypothesis pollution indicator plant pollution indicator species pollution-intensive industry Pollution Load pollution of agricultural inputs pollution of motor vehicle exhaust gases pollution of natural water pollution prevention and control of key water basins pollution prevention law Pollution Probe Foundation，Canada pollution-resisting species of tree pollution rights trading market pollutions emitted from fossil-fired power plant pollution source pollution source census pollution source monitoring of fisheries waters

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