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目录抽样
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抽样调查
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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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Voisey’s Bay magmatic nickle deposit
Vojislav Koštunica
VOK
Vol
Volans
volatile
volatile basic nitrogen
volatile compounds of aquatic product
volatile data
volatile elements
volatile fatty acid
volatile fission products
volatile instant messaging
volatile matter of coal
volatile memory
volatile oil
volatile oil reservoir
volatile organic compound emission of wood-based panels
volatile organic compounds
volatile organic compounds analysis
volatile organic compounds catalytic oxidation treatment
volatile organic compounds condensation treatment
volatile organic compounds control
volatile organic compounds membrane separation treatment
volatile organic contaminants
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