英语语法分析

The altimetry data were matched against stereo images taken on Aug. 12.

高度数据与在8月12日采集的立体图像进行了对比。

GEOSAT, a US altimetry satellite, is introduced in this paper. Its characteristics of the orbits, both theoretic and observational, are analyzed.

本文介绍了美国的海洋测高卫星GEOSAT，分析讨论了GEOSAT的理论设计轨道及实测轨道特征。

The Global Positioning System (GPS) is able to make a direct or indirect measurement of the sea surface position that is so called GPS altimetry.

GPS测高是利用GPS测量技术以间接和直接的方式测量海平面到椭球面的高度。