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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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identification of acetylene cylinder
identification of agronomic trait
identification of a model
identification of botanical characteristics
identification of boundaries
identification of Chinese crude medicinals
identification of Chinese crude medicinals by DNA barcoding
identification of Chinese materia medica
identification of Chinese medicinal characteristics
identification of Chinese medicinal origin
identification of Chinese medicinals
identification of Chinese medicinals by microscope
identification of Chinese medicinals by physics and chemistry
identification of Chinese patent medicinal formulas
identification of cultural relics
identification of dental bone apparatus
identification of disability
identification of disease resistance in crop
identification of distributed parameter systems
identification of drought tolerance
identification of editions of Chinese ancient books
identification of electronic records
identification of explosion trace
identification of file consistency
identification of fishnet twine
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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更新时间:2026/9/9 13:27:46