... 人口结构的变化 demographic changes 人口阶级结构变化 interclass movement 人口年龄结构的变化 changing age distribution of population ...
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利用台湾地区相关人口数据，描述和分析了1991—2001年这11年间台湾地区人口年龄结构的变化。
With the relevant Taiwan's population data, the paper described and analysed the area's 11-year change of the population composition by age from 1991 to 2001.
人口是市场的主体，人口年龄结构的变动必然也会引起市场的消费需求和发展趋向的变化。
Population is the main of market. The change of population age structure will bring change of consuming demand and development trend.
甘肃作为西北第二人口大省，人口年龄结构变化导致的“银色浪潮”与“黄金时代”同时到来。
Gansu, as the second largest population province in Northwest region, the change of population age structure causes "silver wave" and "golden era" coming together.
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