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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
preventive treatment mode
preventive treatment of disease
preventive vaccine
Preview In The Mind of Film Or TV
previous access router
previous access router, PAR
previous care-of address
previous care-of address, PCoA
previous crop characteristics in rotation system
previous crop in rotation system
previous prime
prevision of society
pre-visualization
prewarning of agrometeorological disasters
pre-warning signals of sudden agrometeorological disasters
pre-wetting sizing
pre-white dwarf
pre-write compensation
prey-predator
prey-predator relation
prey selection index of fish
Pre-zhou Culture
pre-λ-ring
PRF
PR food etiquette
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