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人们对通信的理想是:一个人不论走到那里在任何时候都可与他想联系的任何人进行通信,而且不需记住那么多的电话号码(家里的或办公室的)、传真号码.只需有对方的个人通信号码 PTN(Personal Telecommunication Number),不论他在何处,一拔即可找到.这和我们现在的通信不同,现代的长途自动拨号虽然也提供了长距离通信的方便,但是你必须知道对方此刻在何处,以及该处的电话号码,否则就不可能找到对方.因为现在
The ideal of communication is that a person can communicate with anyone whom he wants at any time, regardless of wherever he goes, and without having to remember so many phone numbers (home or office), fax numbers Need to have each other’s personal communication number PTN (Personal Telecommunication Number), no matter where he was, a pull can be found .This is different from our current communications, although the modern long-distance automatic dialing also provides long-distance communication convenience, but You have to know where the other person is at the moment, as well as the telephone number of the department, otherwise it will be impossible to find each other.