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《长安十二时辰》中的望楼是什么？望楼之间是如何传信的？ - 知乎
source link: https://www.zhihu.com/question/332742614/answer/737382212
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谢谢在我自己的提问下边邀请我 @章牧之 ，那我就自己答吧...世界上最早的远程通信系统--------望楼？喵喵…
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