“Cohort study”的概念、定义、翻译、参考文献-科学参考

单词	Cohort study
释义	Cohort study Encyclopedia 医学流行病学研究的统计学设计释 Cohort study队列研究统计学设计从目标人群选取未患某研究疾病的代表性样本，按是否暴露于某个可疑因素分为暴露组（或不同暴露水平的亚组）和非暴露组，随访观察一段时间后，比较不同组（或亚组）之间疾病的发病率或死亡率差异，从而判定暴露因素与疾病有无关联及关联大小的一种分析性研究方法。
随便看	aircraft flow visualization test in wind tunnel aircraft flutter flight test aircraft flutter tests in wind tunnel aircraft flyover synchronization aircraft for calibrating airport facilities aircraft force test in wind tunnel aircraft fuel system aircraft fuel system test aircraft fuel tank access covers fire resistant test aircraft fuel tank sealing test aircraft functional hazard assessment aircraft fuselage structure aircraft general actuation system aircraft general quality characteristics test aircraft ground effect test in wind tunnel aircraft ground test aircraft ground test of weapon carried aircraft ground tests of flight control system aircraft hazard probability aircraft hazard severity aircraft health management system aircraft high angles of attack unsteady aerodynamic test in wind tunnel aircraft high temperature test aircraft hijacking aircraft hinge-moment test in wind tunnel

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