人类通信简史

来源：
http://gd.zhidao.189.cn/ckb/sj/20190523/1103_402627.html

https://www.zhihu.com/zvideo/1355875524091154432

标签：www,http,cn,ckb,zhidao.189,通信,简史,人类,zhihu
来源： https://www.cnblogs.com/semaphore/p/15361687.html