Quite a few of Karst collapses have happened in Linyi city since 80's of 20 century. They have the characteristics of abruptness, repetition and differential distribution.
自20世纪80年代以来，临沂市城区一带发生多起岩溶塌陷，这些岩溶塌陷发生具有突发性、重复性，其分布具有一定的规律性；
Quite a few of Karst collapses have happened in Linyi city since 80's of 20 century. They have the characteristics of abruptness, repetition and differential distribution.
自20世纪80年代以来，临沂市城区一带发生多起岩溶塌陷，这些岩溶塌陷发生具有突发性、重复性，其分布具有一定的规律性；
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