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社区干预研究统计学设计
释义
社区干预研究统计学设计
Encyclopedia
医学
流行病学研究的统计学设计
释
Community intervention study
社区干预研究统计学设计
以人群为基础的实验性研究。它是按随机分配的原则将符合条件的研究对象分到试验组(或不同水平的试验组)和对照组,试验组的研究对象施加一种或多种干预措施,前瞻性随访观察疾病或健康结局,评价干预措施是否有效的研究方法。
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A Collection of Four Ballads
A Collection of Geography Books from Han and Tang Dynasties
a collection of Huang Tingjian’s inscriptions
A Collection of Illustrative Plates of Beijing Opera Performed During Mei Lanfang's Visit to the United States
A collection of Imitated Scripts on Ancient Books of Ming Dynasty
A Collection of Imitated Scripts on China's Ancient Books
a collection of jottings
A Collection of Literary Sketches in Past Dynasties
A Collection of Local Dramas
A Collection of Miscellaneous Talks
A Collection of Moral Science
A Collection of Native Opera Plays of Henan Province
A Collection of Painters of Diverse Branches
A Collection of Poems by Eminent Talents of the Song Dynasty
A Collection of Poems by Southern Song Poets
A Collection of Poems from the Eight Banners
A Collection of Poems on the West Lake in the Form of Zhuzhi Ci
A Collection of Prefaces and Postscripts by Lu You
A Collection of Prefaces and Postscripts by Su Shi
A Collection of Quamoclit Pennata
A Collection of Rhythmical Prose by Ten Authors of the Qing Dynasty
A Collection of Scattered Song and Yuan Plays
a collection of seal engraving excerpts
A Collection of Seals by Wu Changshuo
A Collection of Shi Tao’s Poems on Paintings
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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