同义词
1)orthogeosyncline,正地槽2)primary geosyncline,正地槽3)orthogeosynclinal system,正地槽系4)eugeosyncline,活动正地槽5)Positive CG lightning,正地闪6)China's straight position,中正地位7)positive landform,正地貌8)positive landforms,正地形9)orthoplatform,正地台10)positive relief,正地形
