大师作文网急求准确手工一段英翻中!
来源：学生作业帮 编辑：大师作文网作业帮 分类：英语作业 时间：2024/11/13 14:28:17
急求准确手工一段英翻中!
this paper utilizes readily available evidence in a new but obvious way to estimate the relative contribution of economic factors to increases in life expectancy during the 20 century.The evidence consists of cross-sectional relationships between national life expectancies and national income per head evaluated during 3 different decades of the 20 century.These relationships are further used to assess the realism of certain economic demographic models and to re-examine what have become classical distinctions regarding sources of mortality declines in western
this paper utilizes readily available evidence in a new but obvious way to estimate the relative contribution of economic factors to increases in life expectancy during the 20 century.The evidence consists of cross-sectional relationships between national life expectancies and national income per head evaluated during 3 different decades of the 20 century.These relationships are further used to assess the realism of certain economic demographic models and to re-examine what have become classical distinctions regarding sources of mortality declines in western
本文利用现有的数据,用新颖鲜明的方法估算20世纪各项经济指标对人民水平期望值增长做出的贡献.数据包含20世纪3个不同年代中,人民生活水平期望值和全国人均收入两者间的跨领域关系.这些关系又进一步用于测算一些人口经济模型的现实性（实用性）,以及用来审查与西方（计算）死亡率下降的数据来源的典型不同点.
最后一句没写完,意思翻不准.
再问： life expectancy是期待寿命的意思
最后一句没写完,意思翻不准.
再问： life expectancy是期待寿命的意思