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单词
stratified random sampling
释义
stratified random sampling
Encyclopedia
教育学
抽样
释
stratified random sampling
分层随机抽样
按照总体已有的某些特征,将总体分为几个不同的部分(每一部分称一个层),再分别在每一部分中随机抽样的方法。
农学
抽样调查
释
stratified random sampling
分层随机抽样
将总体按一定的原则分成若干个子总体,每个子总体称为层,在每个层内进行抽样,不同层的抽样相互独立且每层的抽样都是简单随机抽样的方法。
Mathematics
>数理统计>抽样与统计过程控制>释义
stratified random sampling
分层随机抽样
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very long instruction word
very long instruction word processor
very long instruction word processor, VLIW processor
very long instruction word, VLIW
very long instruction word,VLIW
very long period
very-long period
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very low density lipoprotein (VLDL)
very-low-freguency radiation in magnetosphere
very low frequency
very low frequency electromagnetic field
very low frequency electromagnetic method
very low-frequency electromagnetic method
very low frequency measurement
very low frequency meter
very-low-grade metamorphism
very low-mass star
very massive object
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