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00后比90后少了4700万?背后的真相一定要知道

 2 years ago
source link: https://tech.sina.com.cn/d/v/2020-07-11/doc-iircuyvk3231990.shtml
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文章来源:科普中国本文专家:马小红,北京市委党校北京人口与社会发展研究中心教授今天又是一个节日。只不过,这个节日很多人可能不太了解。世界人口日!你可能觉得人口的多少与自己并无多大关系,但是,最近一条关于人口统计的数据图却引发了大众的关注。该

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