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当今,人类正进入一个被称作“信息社会”的崭新 时代。在这个时代里,信息、材料和能源共同构 成支持社会发展的三大要素。信息的价值也越来越为人们所认识。例如,在当今市场竞争十分激烈的情况下,谁能最迅速、及时、准确地掌握社会需求的信息,并根据这个信息规划自己的产品,谁便能占领市场,取得好的效益。因此,人们已越来越不满足于一般的电话、电报、数据的传送速度了。于是,建设能够高速传递信息的渠道,就成为信息化社会的一项基本要求。 这里仅就当今世界通信技术的发展趋势,从几个侧面作一粗略、通俗的介绍。
Today, mankind is entering a brand new era called “information society.” In this era, information, materials and energy jointly constitute the three major elements that support social development. The value of information is also becoming more and more known to the public. For example, in today’s highly competitive marketplace, who can grasp the information of social needs most promptly, accurately and accurately, and who can plan their products according to this information, can gain market benefits and achieve good results. As a result, people are increasingly dissatisfied with the speed of general telephone, telegraph and data transfer. Therefore, building a channel capable of delivering information at high speed has become a basic requirement of the information society. Here only on the development trend of communications technology in today’s world, from a few aspects to make a rough, popular introduction.