Image matching is the key stage for digital Terrain Model (DTM) automatical aquisition using with digital images.

利用数字影像自动提取数字地形模型(dtm)的关键是影像匹配。

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The visualization of complex terrain is a common key issue among these applications.

这些应用中一个共同的核心问题就是复杂地形的地形地貌可视化的问题。

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Terrain match algorithm is one of the key technologies in seabed terrain aided navigation system (STAN).

地形匹配算法是海底地形辅助导航系统的关键技术之一。

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Helicopter and ground operations aimed at taking hold of "key terrain" began early Friday, said Maj.

CNN: Militants killed in Afghan action, U.S. says

The use of different direct and indirect weapons, low- and high-angle artillery, are key when your enemy is using terrain to his advantage.

CNN: Grange