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单词
Quota Sampling
释义
Quota Sampling
Encyclopedia
理学
【核心概念】
释
Quota Sampling
配额抽样
调查人员将调查总体按一定标志分类或分层,确定各类(层)单位的样本数额,在配额内任意抽选样本单元的抽样方法。又称定额抽样。
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graph data privacy
graph decomposition
graph depth
graph diameter
graph difference
graph directrix
graph distance
graph distance matrix
graph eccentricity
graphechon
graphecon
graph edge
graph eigenvalue
graph embedding
grapheme
graphene
graphene-biopolymer composite materials
graphene electrode
graphene fiber
graphene field effect transistor
graphene-like
graphene material
graphene materials
graphene nanocomposites
graphene oxide
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