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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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immovable
immovable bucking machinery
immovable historical relics
immovable in-core neutron flux measurement system
immune
immune algorithm
immune analyzing system
immune biological products for aquatic animals
immunecapture PCR
immune cell
immune cell analysis techniques of aquatic animals
immune cells of echinoderms
immune colloidal gold technique
immune complex
immune defense
immune disorder
immune effectors of shellfish
immune factor analysis techniques of aquatic animals
immune function
immune homeostasis
immune membrane molecule
immune memory
immune molecule
immune organ
immune privileged site
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