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信息时代,人类自然处在信息包围之中。而日益发达的通信系统,则是人们冲出这个重围的重要工具。它对于提高政府机关的工作效率,以及科技情报交流、文化教育、商品流通、国际贸易住来等,都起着极其重要的作用。因此,各国都十分重视发展新型的通讯设备,从而涌现出了不少新颖电话:电视机式的电话机厚厚的电话簿不久将完成其历史使命,取代它的乃是一种带有字母键盘、能把所需的电话号码告知用户的小型电
In the information age, mankind is naturally surrounded by information. The increasingly developed communication system is an important tool for people to break through this siege. It plays an extremely important role in enhancing the working efficiency of government agencies, as well as the exchange of scientific and technological information, culture and education, the circulation of commodities, and the international trade. Therefore, all countries attach great importance to the development of new types of communication equipment, resulting in many novelty telephones: the thick telephone directory of telephones with telephones will soon fulfill its historic mission, replacing it with a keyboard with an alphabetical keyboard , Can tell the user the required phone number of small power