为国防建设、军队作战和训练而组织的测绘保障工作 ,称为军事测绘勤务。主要内容有 :天文大地测量、重力测量、卫星大地测量、遥感测量、海道测量、陆地地形测量和海底地形测量 ;另外还有军事工程测量 ,如军事道路、机场、基地、坑道和洞库、海港等工程测量 ;编制出版各种比例 For the national defense construction, military operations and training organized by the mapping protection work, known as the military mapping service. The main contents include: astronomical geodesy, gravimetry, satellite geodesy, remote sensing, seaway surveying, terrain surveying and undersea topography; in addition to military engineering surveys, such as military roads, airports, bases, tunnels and caverns, seaports Such as engineering measurement; preparation and publication of various ratios