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前瞻性研究
释义
前瞻性研究
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医学
〔医学心理学绪论〕
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prospective study
前瞻性研究
按照研究对象是否暴露于某因素或暴露于某因素的不同水平,将其分为暴露组和非暴露组,然后随访一定时间,观察和比较这两组的发病率或死亡率,以检验该暴露因素与疾病发生有无联系的假设是否成立的研究方法。是分析流行病学研究中重要方法之一,又称队列研究(cohort study)、发生率研究(incidence study)、随访研究(follow-up study)及纵向研究(longitudinal study)。
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underwater acoustic target recognition
underwater acoustic technology
underwater acoustic telemetry
under water active inflation
underwater adhesive
underwater anti-biofouling
underwater ball games
underwater blasting
underwater blasting surge
underwater cable technology
under-water camera
underwater camera monitoring
underwater cathodic protection
under-water cinematography
underwater communication
underwater concrete
underwater connection technology
underwater contactless connection
underwater control system
underwater cutting
underwater electric distribution system
underwater energy-saving management technology
underwater exlposive injury
underwater explosion
underwater fiber lighting
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