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tigerto2001:南通嘉兴是二线城市? (2021-08-12 05:57)
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鹤鸣九皋:七普之后,人口成了大家关注的话题,那个城市大规模增加了?那个城市又持续衰减了?然而老龄化更值得警惕!按照国际通行划分标准,当一个国家或地区65岁及以上人口占比超过7%时,意味着进入老龄化;达到14%,为深度老龄化;超过20%,则进入超老龄化社会。从表中可看出,西安60 .. (2021-08-11 21:55)
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