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病例-对照研究
释义
病例-对照研究
Encyclopedia
理学
临床试验的自适应性设计
释
case-control study
病例-对照研究
比较一组患某病的病人(病例组)和一组未患此种病的人(对照组),过去暴露于某种或几种可疑病因因素的差异的一种流行病学调查的方法。又称回顾性研究。
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optical relaxation
optical remote sensing
optical remote sensing payload calibration
optical remote sensing satellite
optical representation
optical resonant cavity
optical resonant cavity, optical resonator
optical resonator
optical retardance calibration
optical return loss tester
optical rotary dispersion
optical rotation
optical rotation; optical activity
optical rotatory dispersion
optical rotatory dispersion (ORD)
[optical] rotatory power
optical rotatory power
optical router
optical scalar equation
optical scanner
optical scanning
optical seeker
optical sensibilization
optical sensor
optical separation
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