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SEL公司的科技人员研究了西德通信业务和通信系统未来发展的问题,并作出了报告,于1973年年底交给了西德邮电总局的负责部门。经济性的限制此研究的主要结论可总括如下:在最近的将来,通信技术领域中不会出现什么惊人的事。约在1985年之前比较能精确地估计,对于更远的将来,预测越来越不精确。如果要使投资的冒险性减到最小,必须首先仔细
The scientific and technical personnel of SEL Company studied and made a report on the future development of communication and communication systems in West Germany and handed it to the department responsible for the West German Post Office in late 1973. Economic Limits The main conclusions of this study can be summarized as follows: In the near future, nothing surprising will emerge in the area of communications technology. It is more accurate to estimate about circa 1985 that the forecasts are getting less accurate for the more distant future. If you want to minimize the risk of investment, you must first carefully