资 源 简 介
计算子午圈半径M
计算卯酉圈半径N
计算玮圈半径r
计算经线弧长Sm
计算纬线弧长Sn
计算球面梯形面积
计算最大角度变形
计算球面极坐标-calculated Meridian circle radius circle conveniently calculated M N calculation Wei radius circle radius r calculated meridian arc Sm calculated latitude arc Sn calculated spherical long trapezoidal area of the greatest deformation angle spherical polar coordinates