我们从高程控制点中提取高程数据，利用规则矩形网格模型实现了三维地貌的显示。
We drew out the elevation data from elevation control points, and made use of the regular square grid to display three-dimensional terrain.
愈来愈显示出地貌学的一个新的生长点——系统地貌学，将以其强大的生命力萌发出来。
So a new growing point-SYSTEMS GEOMORPHOLOGY is more and more revealing with strong vitality.
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