Stereo image matching is the key link in extracting elevation information from SPOT data.

立体影像匹配是自动提取SPOT影像高程信息的关键技术。

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The upper level glass volume hovers lightly over a dark iron-spot brick base that mediates between glass and ground and negotiates the grade change along the north elevation.

上层玻璃体被轻轻放置在一片介于玻璃与地面之间的深色铁斑表面的砖基础之上，柔化了北立面的高差。

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This paper discusses the methods of automatic extraction of digital elevation model (DEM) from remote sensing image. A system of scheme is established to extract DEM from SPOT image.

本文研究了利用航天遥感影像自动提取数字高程模型（DEM）的方法技术，建立了一整套利用SPOT影像提取DEM的方案。

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What about the elevation of veteran Citi executive Michael Corbat to the top spot?

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Kaymer's runaway victory and elevation to world number two means that with Lee Westwood - who finished a lowly 64th - in top spot, Europeans hold the top two positions in the rankings for the first time since Nick Faldo and Bernhard Langer in 1993.

BBC: Abu Dhabi win lifts Martin Kaymer to second in world