quadrangle map造句

例句与造句

1. USGS topographic quadrangle maps are marked with grid lines and tics around the map collar which make it possible to identify locations on the map by several methods, including the cartesian coordinates in both the State Plane Coordinate System and the Universal Transverse Mercator coordinate system.
2. With knowledge of the camera s latitude / longitude position and its elevation above sea level, both obtainable from USGS ( U . S . Geological Survey ) 7?minute quadrangle maps ( before the days of Global Positioning System devices ), comparison of the track with the star background could define the satellite s successive positions.
3. It's difficult to find quadrangle map in a sentence. 用quadrangle map造句挺难的
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