“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	water conservancy business application system water conservancy census results database water conservancy cloud water conservancy communication network water conservancy concession project Water Conservancy Construction and Management water conservancy critical information infrastructure water conservancy cyber security system water conservancy data center water conservancy development planning water conservancy economics water conservancy e-government system water conservancy engineering danger removal and reinforcement water conservancy engineering technical appraisal Water Conservancy Engineering Technology in Ancient Chinese Cities Water Conservancy History Research Association of Japan water conservancy in ancient Chang’an city water conservancy in ancient Ganzhou city water conservancy in ancient Kaifeng city water conservancy in ancient Luoyang city water conservancy in ancient Nanjing city water conservancy in ancient Suzhou city water conservancy information classification water conservancy information guarantee system water conservancy information management

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