The lunar map projections software is compiled.
编制了月球地图投影计算软件；
A sphere cannot be represented on a flat plane without distortion, which means all map projections distort in one way or another.
球体在平面上不进行扭曲就无法表现出来，这意味着所有制图方式都会以某种方式出现扭曲。
It is unlike those pseudo-cylindrical projections, but is a new type in the family of map projections possessing standard shape .
它不同于伪圆柱投影，而属于标准线型投影族的一个新类型；
This method opens up new function and application range for common map projections. Systematical results and applications have been obtained.
该研究开拓了常用地图投影的功能和应用范围，获得了系统的理论结果和应用实例。
There are three popular map projections in Antarctica-Polar Stereographic projection, Transverse Mecator projection and Lambert Conformal Conic projection.
南极地区常用的地图投影方式有：极方位立体投影、横轴墨卡托投影、兰伯特正形圆锥投影等三种等角投影。
There are three popular map projections in Antarctica-Polar Stereographic projection, Transverse Mecator projection and Lambert conformal Conic projection. They are all conformal.
南极地区常用的地图投影方式有：极方位立体投影、横轴墨卡托投影、兰伯特正形圆锥投影等三种等角投影。
A method of digitization of map information was mathematically conducted and a computer programme was developed, according to the coordinate systems in cylinder and cone map projections.
根据地图投影坐标系，经过数学推导，将地图信息要素进行数字化。
A new kind of variable scale projection is obtained. This method opens up new function and application range for common map projections. Systematical results and applications have been obtained.
该研究开拓了常用地图投影的功能和应用范围，获得了系统的理论结果和应用实例。
This paper found the new Set of Equal-area Pseudocylindrical Projections, that can be used for the Compilation of World Map.
为了应用于世界地图的编制，本文提出一集新的等面积伪圆柱投影。
This paper found the new Set of Equal-area Pseudocylindrical Projections, that can be used for the Compilation of World Map.
为了应用于世界地图的编制，本文提出一集新的等面积伪圆柱投影。
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