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为了解我县人群的健康水平,检查、总结我县的卫生工作,为制定卫生工作计划、措施提供科学依据,我们于1987年1月至2月,对我县1986年人口寿命进行了研究。现报告如下:1.材料来源:分年龄组人口数和死亡
In order to understand the health level of the county’s population, examine and summarize the health work in our county and provide scientific basis for the formulation of health work plans and measures. From January to February 1987, we conducted a study of the county’s population life in 1986. The report is as follows: 1. Source of material: age group population and death