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据日本《读卖新闻》1980年3月8日和《东京新闻》3月12日讯以及法新社横须贺3月12日电等综合报道,日本国立防灾科学技术中心研制成“自浮式海底地震计”于1980年3月12日、13日两天进行了首次海域试验。这套地震计是作为该中心于1978年开始的“与海底地壳构造和海底地壳活动有关的综合研究”的一环,为研究海底地壳构造、观测海底微小地震、预报海沟型大地震而研制的。这套不用电
According to a comprehensive report by Japan’s Yomiuri Shimbun on March 8, 1980 and the Tokyo News on March 12 and AFP’s Yokosuka on March 12, Japan’s National Disaster Prevention Science and Technology Center has developed a “ The seabed seismometer ”conducted its first marine trial on March 12 and March 13, 1980. The seismometer was developed as part of the Center’s “Comprehensive Study of Seabed Crustal Structure and Seabed Crustal Activities” since 1978. It was developed to study the structure of the seabed crust, to detect submarine earthquakes, and to forecast a trench-type earthquake . This set does not have electricity