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list sampling
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list sampling
Encyclopedia
理学
抽样调查
释
list sampling
目录抽样
一种不等概率、不等比例的抽样调查方法,对达到一定规模以上的单元进行全面调查,对规模以下的单元按一定比例抽取一部分样本进行观察和推断。
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plant diffusion coefficiency
plant disease
plant disease control (management)
plant disease mechanism
Plant disease physical control
plant disease prevalent
plant disease resistance
plant diseases and insect pests control
plant diseases and insect pests prediction model of agriculture
plant domestication
plant dominance
plant dormancy
plant drought tolerance
plant dyeing
plant ecology
plant ecophysiology of temperature
planted forest
planted forest resources of China
planted plane tree
planted tree
plant electrical control system
plant embryology
plant epidermis
planter
planter with plastic sheeting
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