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寿命是每个人都关心的问题。期望寿命即是某个年龄的人大约还能活多少年的问题。这更是人们所希望了介的。它可用来反映居民健康水平与特征,以及研究人口的自然变动和某种病因对寿命的影响,并用来探讨予测未来人口的增长趋势和计算某种死因损耗平均寿命,及某些病的存活年限等方面的问题。目前世界卫生组织及我国各大城市已广泛应用寿命表统计方法,为制定卫生工作规划和评价卫生工作质量提供科学依据。通过寿命表可以表示居民的期望寿命与生存情况,可以正确而科学地反映出由于医
Life is everyone’s concern. Expectancy is the question of how many years a person of a certain age can still live. This is what people hope is mediated. It can be used to reflect the residents’ health level and characteristics as well as to study the effects of natural population changes and some causes on life expectancy. It is also used to explore the trend of future population growth and to calculate the average life span of certain causes of death and the survival of certain diseases Years and other issues. At present, the World Health Organization and major cities in China have widely used the statistical method of life table to provide a scientific basis for formulating health work planning and evaluating the quality of health work. Through the life table can represent the life expectancy and living conditions of residents can be correctly and scientifically reflected because of medical