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我国是一个多地震的国家,有历史记载以来发生了许多次强烈破坏性地震。这些地震究竟是什么力量引起的,目前一般认为是由于太平洋板块和印度板块对我国大陆挤压作用的结果。但有如下一些问题无法解释:
Our country is a country with many earthquakes. There have been many destructive earthquakes since the historical records. It is generally believed that these earthquakes are the result of the squeezing effect on the mainland China by the Pacific plate and the Indian plate. But there are some problems that can not be explained: