demographist的中文,翻译,解释,例句
demographist
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Methods:Expected life span was calculated based on the changing rules observed by demographist Coale and Demeny and the iterative model modified by Ca Ruide. Univiarite linear regression model was used to predict elder population coefficient.
采用人口普查资料、卫生事业发展资料，利用SAS9.0软件，根据人口学家Coale和Demeny提出的平均期望生命增长规律和查瑞传修订的迭代模型，预测河南省平均期望寿命，利用线性回归模型预测老年人口系数。