“ecological study”的概念、定义、翻译、参考文献-科学参考

单词	ecological study
释义	ecological study Encyclopedia 医学生态学研究释 ecological study生态学研究以群体为观察和分析的单位，研究暴露因素与疾病（或健康状态）关联关系的流行病学研究设计，属于描述性研究的范畴。又称相关性研究。工学环境流行病学释 ecological study生态学研究在群体水平上研究环境曝露因素与疾病之间的关系，以群体为观察单位，描述环境曝露因素与疾病的频率，进而分析该曝露因素与疾病之间关系的一种描述性方法。
随便看	stone artefact stone beam stone biofilm stone breacker stone bridge Stone Burin Stone-Campbellites stone canal Stone Canal Pavilion stone carving stone carving at Cao'an Manichean Temple in Quanzhou, Fujian Province stone carvings at Wus' tombs in Jiaxiang stone carvings in the Yonggu Mausoleum of the Northern Wei Dynasty Stone Carvings of Musicians and Dancers in theTomb of Wang Jian stone carvings of opera performers on the tomb of the Southern Song Dynasty in Neijiang County Stone Cech compactification Stone-Cech compactification stone cell stone chamber Stone Circles of Senegambia Stone City Stone Classics in Shu State Stone Classics in the South Dynasty Stone Classics of the Xiping Reign Stone classics of the Xiping Reign

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