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我国东部人口稠密,气候湿润,物理化学作用强烈,人类活动频繁,构造新活动遗迹难以保存,所以长期以来相应地区第四纪,尤其是晚第四纪以来活动性评价一直存在难点.另一方面,东部的社会经济高速发展又迫切需要解决城市地震地质背景和地壳稳定性等方面基础问题.近些年随着东部地区大
The eastern part of our country is characterized by dense population, humid climate, strong physical and chemical functions, frequent human activities and the difficulty in preserving the remains of new activities. Therefore, it has been difficult to assess the activity of the Quaternary, especially Late Quaternary, in the corresponding regions for a long time. , The rapid social and economic development in the east has urgently needed to solve the basic problems of urban seismic geological background and crustal stability etc. In recent years,