摘要
本文力图从正轴等角圆锥投影的一般特性出发,阐述我国1:100万国家基本比例尺地形图投影的计算公式。
The paper tries to give general characteristics of the normal equal-angle conic projection to expound the computational formula of projection of ba sic scale of our country's 1:1 000 000 topo-maps.
关键词
地形图
投影
地图
Topographic map Normal conic orthomorphic projecton Standard parallel
