In the paper, gravity potential model, gravity observation data in the surface of the earth, GPS/leveling and DTM are used to refine qusi-geoid.是什么意思_In the paper, gravity potential model, gravity observation data in the surface of the earth, GPS/leveling and DTM are used to refine qusi-geoid.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句