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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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Solar-A
solar active region
solar activity
solar activity and 14C
solar activity and aurora frequency
solar activity cycle
solar activity effect
solar activity prediction
solar activity, prediction of
solar air-conditioning
solar air mass
Solar and Heliospheric Observatory
Solar and Heliospheric Observatory probe
solar and terrestrial radiation meter
solar annual tide
Solar, Anomalous, and Magnetospheric Particle Explorer
solar antapex
solar apex
solar array drive assembly
solar assisted heat pump air-conditioner
solar atlas
solar atmosphere
solar atmosphere and solar activities
solar-atmospheric link
solar atmospheric tide
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