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https://dprenvip.blog/2019/07/18/%e5%be%88%e9%9a%be%e6%83%b3%e8%b1%a1%ef%bc%8c100%e5%b9%b4%e5%89%8d%e4%ba%ba%e7%b1%bb%e7%9a%84%e5%b9%bb%e6%83%b3%e7%ab%9f%e7%84%b6%e5%ae%9e%e7%8e%b0%e5%be%97%e5%b7%ae%e4%b8%8d%e5%a4%9a%e4%ba%86/
很难想象,100年前人类的幻想竟然实现得差不多了