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单词
抽样调查
释义
抽样调查
Encyclopedia
农学
抽样调查
释
survey sampling
抽样调查
一种以概率论为基础，按随机原则从调查总体中抽取部分单位进行观察，用以估计推算总体某些数量特征的非全面调查。又称样本调查、抽样技术或抽样法。
理学
【核心概念】
释
survey sampling
抽样调查
一个统计学分支，主要研究如何从全体被调查对象（即总体）中抽取一部分个体（即样本）进行调查或观测、获取数据，并以此对总体的目标量（未知参数）作出推断。
Mathematics
＞数理统计＞抽样与统计过程控制＞释义
sample survey
抽样调查
sampling investigation
抽样调查
sampling survey
抽样调查
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survey-sampling
抽样调查
随便看
overlap matrix
overlap method
overlap mode double gap coupled cavity wideband output circuit
overlap of articles of law
overlap of basic rights norm
overlap of spectral lines
over-lap PCR
overlapping
overlapping clustering
overlapping coil
overlapping divergence
overlapping domain decomposition method
overlapping domains
overlapping gene
overlapping-generations model
overlapping insurance
overlapping mean
overlapping of orders
overlapping point
overlapping rectangles
overlapping region
overlapping resonance method
overlapping segmentation ambiguous
overlapping sets
overlap processing
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