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宁夏１９８１～１９８９年人口平均预期简略寿命古志昂（卫生统计学教研室）本文是以宁夏第三、四次人口普查资料为依据〔１～３〕，通过统计整理后采用ＷＨＯ推荐的“蒋氏寿命表法”〔４〕，并使用其编制的微机程序计算出宁夏１９８１年和１９８９年人口平均预期简略寿命...
The average life expectancy from 1981 to 1989 in Ningxia is briefly summarized. (The Department of Health Statistics) This article is based on the 3rd and 4th population census data in Ningxia [1–3]. Table method”[4], and use its computer program to calculate the average life expectancy of Ningxia in 1981 and 1989.