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Horvitz-Thompson estimator
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Horvitz-Thompson estimator
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理学
数据收集模式
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Horvitz-Thompson estimator
霍维茨—汤普森估计量
由D.G.霍维茨和D.J.汤普森在研究有限总体下多阶段抽样问题时提出,用于无放回不等概抽样设计中的估计量。简称HT估计量。
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grazing density
grazing eclipse
grazing ecology
grazing effect
grazing erosion or grazing-induced erosion
grazing exclusion
grazing food chain
grazing forages
grazing formation
grazing-goat problem
grazing incidence
grazing incidence optics
grazing incidence reflection spectroscopy
grazing incidence reflection spectroscopy, GIR spectroscopy
grazing incidence spectrograph
grazing incidence system
grazing incidence telescope
grazing intensity
grazing land
grazing livestock improved seed rate
grazing management
grazing method
grazing methods
grazing occultation
grazing pasture supervisory unit
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