SAR differential interferometry is an up-to-date measurement technology for terrain deformation.

合成孔径雷达（SAR）差分干涉测量是一种最新的大地形变测量遥感技术方法。

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Based on a case study of the incision terrain at Ximayu, landslide erosion, forming characteristics, deformation and destruction characteristics are qualitatively analyzed.

以切层滑坡侵蚀实例，以西马峪滑坡侵蚀体为研究对象，定性分析了西马峪滑坡侵蚀体的形成与变形破坏特征。

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