By making use of transformation of coordinate translation, coordinate rotation, we deduced general formula about area of rotational surface.
利用坐标平移、旋转变换，导出旋转曲面面积求法的一般公式。
This paper affords the transformation formula of coordinate systems so that the calculation of propagation range may be carried out on the same spheroidal surface.
本文提供了坐标系统的变换公式，以达到在同一椭球面上进行距离计算。
The animation programs of the making revolution surface is compiled, and a general coordinate formula of geometric transformation is deduced about an arbitrary revolution curve around a rotation axis.
给出旋转曲面生成过程的动画程序，并导出了任一曲线绕任意轴旋转的坐标间几何变换公式。
In the paper, through analyzing the two kinds of the coordinate systems' characteristics, the mathematical model and the correlative transformation formula was obtained.
通过分析光栅海图的投影原理和投影后的经纬度分布特点，利用墨卡托投影变换公式得出了其相应的数学模型和相关算法。
In the paper, through analyzing the two kinds of the coordinate systems' characteristics, the mathematical model and the correlative transformation formula was obtained.
通过分析光栅海图的投影原理和投影后的经纬度分布特点，利用墨卡托投影变换公式得出了其相应的数学模型和相关算法。
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