polyconic projection with meridional intervals on same parallel decrease away from central meridian by tangent difference
释义
polyconic projection with meridional intervals on same parallel decrease away from central meridian by tangent difference Encyclopedia
工学多圆锥投影释 polyconic projection with meridional intervals on same parallel decrease away from central meridian by tangent difference正切差分纬线多圆锥投影 经线间隔在赤道上受正切函数影响而递增的任意性质的多圆锥投影。