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整群随机抽样法
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整群随机抽样法
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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。
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secondary hardening
secondary harmonic generation
secondary hemochromatosis
secondary hemolytic anemia
secondary hydrocarbon generation
secondary hyperaldosteronism
secondary hypertension
secondary ideal
secondary image
secondary immune response
secondary immunocompromise
secondary immunodeficiency disease
secondary industry
secondary industry map
secondary infection
secondary information
secondary instability
secondary interference
secondary ion
secondary ionization
secondary ion mass spectrometry
secondary ion mass spectrometry (SIMS)
secondary ion mass spectrometry, SIMS
secondary ion mass spectroscopy
secondary ion mass spectroscopy, SIMS
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