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谈到通信,人们经常会想到电话网,这是因为电话通信已经有100多年的历史,并且它已经从过去的奢侈品转变为今天的必需品,影响和改变着人们的工作和生活。但是自从计算机出现以来,人们开始对数据通信更加重视,尤其是在过去20年期间,因特网(Internet)开始以类似电话通信的魔力改变着人类的生活和工作。 人类最早的文明只能靠口头相传,但是文字和纸的出现改
When it comes to communications, people often think of the telephone network because of the 100-year history of telephone communications and the shift from past luxury to today’s necessity to influence and change people’s work and life. However, since the advent of computers, people have begun to pay more attention to data communications. In particular, over the past two decades, the Internet has begun to change the life and work of human beings with the magic of telephone communication. The earliest civilization of mankind can only be verbally transmitted, but the appearance of words and paper changes