人类是在不断的科学实验和生产实践中逐步认识世界,也同时认识自己的。在七十年代提出的蜂窝电话的构想,是人们将无线通信作为有线电话的一种延伸,而蜂窝电话的市场容量也往往以有线电话的百分比作为估计。今天。随着蜂窝电话的蓬勃发展,无线电通信技术与电脑技术的结合,改变了人类对传统通信的认识。在新认识的基础上,人类要求“更加自由地”通信,人类展望“自由自在的”个人通 Human beings are gradually understanding the world in their constant scientific experiments and production practices as well as knowing themselves. The concept of cellular telephony proposed in the seventies is that people regard wireless communication as an extension of the wired telephone, and the market capacity of cellular telephones is often estimated as a percentage of the number of wired telephones. Nowadays. As cell phones have thrived, the combination of radiocommunication and computer technologies has changed the perception of humankind of traditional communications. On the basis of new understanding, mankind demanded “more freedom” to communicate and the human outlook is “free” personal communication