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simple systematic sampling
释义
simple systematic sampling
Encyclopedia
农学
简单顺序抽样法
释
simple systematic sampling
简单顺序抽样法
将总体中各单元按一定标志或次序排列,然后按相等的距离或间隔抽取样本单元的方法。又称系统抽样、机械抽样、等距抽样。
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coal and gas outburst
coal and rock support machinery
coal as fuel
coal ball
coal balls
coal-based alcohols and esters
coal-based chemical
coal-based ester synthesis
coal-based ethanol synthesis
coal-based fuel
coal based methanol
coal-based methanol
coal-based methanol; ether mixed fuel
coal-based methanol synthesis
coal-based mixed alcohols synthesis
coal-based oxygenates synthesis
coal basin
coal basin analysis
coal-bearing coefficient
coal-bearing density
coal-bearing formation
coal-bearing property
coal-bearing strata
coal-bearing system
coal bed
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