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理学
抽样调查
释
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样本
统计学术语,按照一定规则从总体中抽取部分个体进行调查或实验,被抽取的个体形成的集合。
理学
﹝数理统计学基本概念﹞
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样本
在数理统计学和调查方法中,样本是指按照一定的抽样设计方法,从总体中抽取的个体集合。
Mathematics
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Chemistry
>分析化学>化学计量学>释义
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样本
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evaporation nucleon
evaporation observation
evaporation of the black hole
evaporation of the nucleus
evaporation of thin film
evaporation process control system
evaporation rate
evaporation restrain agent
evaporation spectrum
evaporation tank
evaporation time
evaporative ablation
evaporative Condenser
evaporative cooling
evaporative cooling of hydro-generator
evaporative cooling of motor
evaporative cooling technology
evaporative crystallization
evaporative light scattering detector
evaporative light-scattering detector
evaporative light scattering detector (ELSD)
evaporative light-scattering detector (ELSD)
evaporative pumping
evaporative water loss
evaporativity
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