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率比
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Rate ratio, RR
率比
在队列研究中,暴露人群和非暴露人群被追访一段时间来确定暴露因素与疾病发病的关联。队列研究的关键点是暴露先于结果的发生。
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electromagnetic field tensor
electromagnetic flowmeter /magnetic inductance flowmeter
electromagnetic focusing
electromagnetic force
electromagnetic form factor
electromagnetic forming
electromagnetic gauge invariance
electromagnetic gradient receiver
electromagnetic gun
electromagnetic high-gradient magnetic filter
electromagnetic horizontal ring high-intensity magnetic separator
electromagnetic-hydro-mechanical coupling
electromagnetic immunity
electromagnetic induced roller high-intensity magnetic separator
electromagnetic induction
electromagnetic induction logging
electromagnetic inertia
electromagnetic information leakage test receiver
electromagnetic instability
electromagnetic interaction
electromagnetic interference
electromagnetic inverse problems
electromagnetic inverse scattering problems
electromagnetic launch
electromagnetic lens
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