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一、前言我国是一个多地震的国家,地震活动区比较分散。近年,在东部沿海平原地区,地震发生比较频繁。如1966年华北平原的邢台地震;1975年2月4日辽南(营口)地震等。由于平原地区人口比较稠密。随着我国社会主义建设事业的
I. Foreword China is a country with many earthquakes and the seismic activity area is relatively scattered. In recent years, earthquakes occurred more frequently in the eastern coastal plains. Such as the 1966 North China Plain Xingtai earthquake; February 4, 1975 Liaonan (Yingkou) earthquake. Due to the relatively dense population of the plain area. With the cause of socialist construction in our country