“流行病学实验研究”的概念、定义、翻译、参考文献-科学参考

单词	流行病学实验研究
释义	流行病学实验研究 Encyclopedia 医学流行病学实验研究释 epidemiological experimental study流行病学实验研究将研究人群（病人或正常人）随机分为实验组和对照组，研究者对实验组人群施加或除去某种干预措施后，随访观察一段时间并比较两组人群疾病或健康状态的改变，对比分析实验组与对照组之间结局的差别，以验证研究假设和考核干预措施效果的一种实验方法。又称实验流行病学、干预研究等。
随便看	species saturation species scaling species selection species-specific nested PCR species transfer species tree specific specific absorption rate，SAR specific absorptivity specific acoustic impedance specific acoustic impedence specific acoustic reactance specific acoustic resistance specific activity specific acupoints for infantile tuina specific adsorption specific adsorption of soil specifically labeled compound specification specification analysis of trace elements specification and grade of Chinese materia medica Specification for Condition Check of Museum Objects for Exhibition Specification for Digitization of Paper-Based Records Specification for Drafting the Contract for Overseas Exhibition of Cultural Relics Specification for Identifying Indexing Components of GB 13000.1 Chinese Characters Set （GF 0012—2009）

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