地球是一个充满活力,不断发展、变化的星球。地壳内部和地球表面无时无刻不在运动变化着,这些发展变化是由自然动力造成的。地质学家把这些引起地壳物质组成、内部结构和地表形态运动和变化的自然动力称为地质营力。
城市人类工程活动等已经成为强大的地质营力,强烈地参与到自然地质作用之中。
Artificial engineering activities in cities have become a forceful geologic agent, which participates intensively in the natural geologic processes.
喀斯特洞穴是喀斯特地貌的重要组成部分,在地质营力溶蚀,侵蚀和崩塌作用下形成。
Karst cave, an important component of karst geomorphology, is formed by geological agent corrosion, erosion and collapse.
人为物质流已成为引起地壳物质运动的一种重要地质营力,深刻地改变着地球的表层系统。
Anthropogenic material flow has become an important geological agent, which resulted in movements of the crust material and profoundly affected the earth surface system.
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