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CCITT第五研究组出版的“保护电信线不受电力线危害影响的导则”最新版本是1978年修订的。1981年2月该组在日内瓦开会,决定与国际大电力网会议(CIGRE)、国际铁路联盟(UIC)合作,成立九个小工作组,分別负责将导则化繁为简,改写成9本手册。编写组主席和副主席分别由德意志民主共和国邮电部的Dr.H.Lorke和瑞典邮电部的P.O.Persson担任,参加编写的有法国、英国、加拿大、匈牙利、西德、意大利等国邮电部以及CIGRE和UIC的专家。计划在1984年前取得一定成果。这9本手册的名称是:1.定义与符号;2.电信和电力设备的设计施工和工作原理;3.危险和干扰;4.电磁场影响的计算;
The latest version of the CCITT Study Group 5 Guidelines for Protecting Telecommunication Lines from the Harm of Power Lines was revised in 1978. In February 1981, the group met in Geneva and decided to work with CIGRE and the International Union of Railways (UIC) to set up nine small working groups, each of which will be responsible for simplifying and simplifying the guidelines into nine manuals . The writing group chairman and vice chairman respectively by Dr.H.Lorke of the Ministry of Posts and Telecommunications of the German Democratic Republic and POPersson of the Swedish Ministry of Posts and Telecommunications, participated in the preparation of the French, British, Canadian, Hungarian, West Germany, Italy, Ministry of Posts and Telecommunications and CIGRE And UIC experts. It is planned to achieve some results by 1984. The names of these nine manuals are: 1. Definitions and symbols; 2. Design, construction and operation of telecommunications and power equipment; 3. Danger and interference; 4. Calculation of electromagnetic field effects;