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人口老龄化
释义
人口老龄化
Encyclopedia
经济学
〔人口和劳动〕
释
population aging
人口老龄化
随着全球化生育不断转型(主要指生育率下降)以及年长人口死亡率的下降而产生的一种人口年龄结构的变化过程。是对人口结构中年龄分布(年龄结构)偏向年长人口移动现象的一种综合描述,已成为21世纪全球人口变化的趋势。
哲学
应用伦理学
释
population aging
人口老龄化
在社会总人口中,年轻人口数量减少、年长人口数量增加而导致的老年人口比例相应增长的动态变化。
随便看
self-polar triad of lines
self-polar triangle
self-polar trilateral
self-pollination
self-pollution of fishery environment
self-polymerization and induced aggregation
Self-portrait
Self-portrait by Ren Xiong
self-positively recursive set
self-potential electric field
self-potential method
self-potential of ore deposit
self-powered detection system
self-powered detector
self-power-generation
self-presentation
self-pressurization
self-pressurized unloading process
self-priming pumps
self-projective
self-propagating coatings
self propagating flowers
self-propagating high temperature processing for ceramic composites
self-propagating high temperature sintering of ceramics
self-propagating star formation
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