retrospective survey study 回顾调查研究 ; 回顾性调查
a retrospective survey 回顾性调查
retrospective survey and analysis 回顾性调查与分析
Methods Retrospective survey and descriptive research analysis were made with annuals reports of infections diseases during 1984 and 2003 in Baoan District.
方法利用宝安区1984 ~ 2003年疫情汇编和宝安区统计局历年人口年鉴进行回顾性调查，并作描述性研究分析。
To probe the correlation between forensic clinical medicine and radiology, a retrospective survey was conducted on 400 cases of living body appraisal about some radiologic issues.
为探讨法医临床学鉴定与放射学的关系，本文对400例活体鉴定就放射学检查的有关问题进行回顾性研究。
Methods: Causes of diseases and death in hospitalized military pilots in a certain region during 45 years were investigated and analysed with a retrospective survey.
方法：采用回顾性调查方法对某地区45 年间住院军事飞行人员病伤死亡病例进行分析。
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