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本文重新处理了1976—1980年用激光测距对北京地区的一等三角网进行复测所得到的资料。在此基础上分析研究了北京地区水平形变场的特征,结合地震地质资料讨论了它在构造上的含义。文章主要用伸展构造的观点解释了北京地区几个压应变带形成的原因和可能的活动机制。
This paper reprocessed the data obtained from the re-measurement of the first-order triangulation network in Beijing by laser ranging from 1976 to 1980. On this basis, the characteristics of the horizontal deformation field in Beijing are analyzed and studied, and its constructional meaning is discussed based on the seismic geological data. The article mainly explains the reason and possible mechanism of the formation of several compressive strata in Beijing from the perspective of extensional structure.