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1975年海城地震后,为进一步加强地震预报研究工作,国家地震局于1976年成立了“电信传输地震台网观测分析处理系统总体设计组”,决定对北京电信传输地震台网进行扩建和技术改造,同时新建上海、昆明、成都、兰州、沈阳等电信传输地震台网.六个台网的技术系统由总体设计组统一规划、统一设计、统一组织实施.这一整套技术系统的设计研制和实施建设,简称为“768工程”.
After the Haicheng earthquake in 1975, in order to further strengthen the research on earthquake prediction, the State Seismological Bureau set up the “Overall Design Team of Observation and Analysis System for Telecommunication Transmission Seismic Networks” in 1976, and decided to expand and technology the Beijing Telecommunication Transmission Seismic Network Transformation, at the same time the new Shanghai, Kunming, Chengdu, Lanzhou, Shenyang and other telecommunications transmission seismic network.The six network technology system by the overall design team unified planning, unified design, unified organization and implementation.This set of technical system design and development and Implementation of the construction, referred to as “768 Project.”