地形的英文：
topography

terrain - tracking radar and terrain - avoidance radar
地形跟随和地形回避雷达

free flowing contour
自然起伏的地形

Terrain-avoidance indicator
地形回避显示器

A bowl-shaped topographic depression.
碗状地形凹陷。

topographic infancy
【地质】幼年地形期

topographic(al) features
地貌，地形情况

Terrain-avoidance radar
地形回避雷达

orographic(al)occlusion
【气】地形锢囚

Topographic infancy
幼年地形期

The whole landscape looked as flat as a pancake.
整个地形十分平坦.

The topography of the Imperial Capital and its surroundings
畿辅通志

DTM is need to correct irradiation difference for different topography.
利用DTM，进行地形辐射校正，以消除地形辐照度差异。

The motion of shallow waters is strongly dependent on the bottom topography.
浅水运动强烈地依赖于底部地形。

Obviously, such topography makes the construction of railroads, highways, airports, and cities easier
显然，这样的地形有利于建筑铁路、公路、机场和城市。

Network coverage from east part of Zhengzhou to Kaifeng is well on account of the evenness of topography.
东部郑州至开封路段，地势比较平坦，网络覆盖情况良好。