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。

youdao

Using ever fancier technologies, the oil business is drilling in deeper waters, more difficult terrain and even in the Arctic (which, as global warming melts the polar ice cap, will perversely become the next great prize in oil).

ECONOMIST: Why the world is not about to run out of oil