n.测高学，高度测量法（以海平面为基准）...

Satellite altimetry can easily provide the space gravity data of the highest resolution.卫星重力测高能提供高分辩率的空间重力异常资料....

altimetry的音标：altimetry的英式发音音标为：[æl'tɪmɪtrɪ]altimetry的美式发音音标为：[æl'tɪmɪtrɪ]...