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单词
veterinary epidemiology case-control study
释义
veterinary epidemiology case-control study
Encyclopedia
农学
兽医流行病学病例对照研究
释
veterinary epidemiology case-control study
兽医流行病学病例对照研究
选定患某疾病(病例组)和未患病(对照组)的两组动物群体,分别调查其过去暴露于某个(或某些)危险因子的情况及程度,并进行比较分析,判断这个(这些)危险因子与该病有无关联及关联程度大小的观察性研究方法。又称回顾性研究。
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kernel of a functional
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kernel of a group
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kernel of a linear operator
kernel of a loop
kernel of a morphism
kernel of an integral equation
kernel of an integral operator
kernel of an integral transform
kernel of a potential
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kernel of Carleman type
kernel of Cauchy type
kernel of equal measure
kernel of finite rank
kernel of Hilbert Schmidt type
kernel of Hilbert-Schmidt type
kernel operator
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