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从1983～1992年的10年,世界电信业发生了根本性的变革。从量上看,电话主线数从3.7亿增加到5.7亿,年均增长率为5％,电话普及率由7.97％上升到10.64％;业务收入从1988年的3030亿美元增加到1992年的4279亿美元,年均增长率为9.0％;利润率从1988年的10.5％增加到1992年的14.9％,年均增长率为9.2％。 从质上看,归结起来有4大趋势: 1.全球化的趋势 (1)卫星通信和光纤通信的广泛应用,使全球网络的联系更趋于紧密和完善。Intelsat、Inmarsat、Eutelsat、PanAmsat等网络将世界各大洲现有
In the 10 years from 1983 to 1992, fundamental changes have taken place in the world telecommunications industry. In terms of volume, the number of telephone lines increased from 370 million to 570 million with an average annual growth rate of 5% and the telephone penetration rate increased from 7.97% to 10.64%; business income increased from 303 billion U.S.dollars in 1988 to 4279 in 1992 The average annual growth rate was 9.0%; the profit margin increased from 10.5% in 1988 to 14.9% in 1992, with an average annual growth rate of 9.2%. In qualitative terms, there are four major trends that can be summed up: 1. Trends in Globalization (1) The widespread use of satellite communications and fiber-optic communications has brought the global network closer and closer together. Networks such as Intelsat, Inmarsat, Eutelsat and PanAmsat will be available on all continents