“epidemiological experimental study”的概念、定义、翻译、参考文献-科学参考

单词	epidemiological experimental study
释义	epidemiological experimental study 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	stone moroco stone needle therapy stone needling method stone of a paving Stone Outer Coffin from Xue Jing Tomb Stone Pagoda and Dharani Sutra Pillar at Lingyin Temple Stone Pagoda in Beiliang Period Stone Palace in Jijian Temple Stone Pillar With Preface to the Inscriptions about Court Gentlemen Stone Portrait of Wang Jian stone processing technology stone relief stone relief at Dabaodang stone relief engravings at Mahaoya tomb No.1 stone reliefs in the Eastern Han tomb at Baizhuang, Shandong stone reliefs in the Han tomb in Yinan County stone reliefs in the Han tombs at Dabaodang, Shenmu stone reliefs in the tomb of the Wife of Dayin Fengjun stone reliefs in the tomb of Wang Deyuan Stone Reliefs in Wu’s Memorial Hall stone reliefs of the coffins of Han Dynasty stone reliefs on Yuntai terrace of Juyong Pass Stone Relief Tomb of Han Dynasty at Tanghezhenzhichang Stone Relief Tomb of Han Dynasty at Wubaizhuang Stoner enhancement factor

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