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1 引言人类寿命的延长是人类文明发展及社会进步的重要标志,但同时也带来了一些负面效应,如人口数量的增长、慢性病患病率的上升及非健康寿命的延长,这是一个困扰所有人口老龄化国家的新问题。
1 Introduction The prolongation of human life is an important indicator of the development of human civilization and social progress, but it also brings about some negative effects, such as the increase in the number of people, the increase in the prevalence of chronic diseases and the extension of non-healthy life. This is a problem. New problems for all population aging countries.