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yournumber小明the | 邮电通讯系统 2022-07-26 47 0star收藏 版权: . 保留作者信息 . 禁止商业使用 . 禁止修改作品
。你不认识小明家的电话号码,不过你的班主任老师有一份你们班全体同学的名单和电话号码对照表,你的老师便是你的DNS服务器。所以你在家里拨通了门口李大爷的电话,有了下面的对话:

(. You don't know the phone number of Xiao Ming's house, but your class teacher has a list of all the students in your class and a phone number comparison table, and your teacher is your DNS server. So you called Uncle Li's number at the door at home and had the following conversation:)

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