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。
In the paper, through analyzing the two kinds of the coordinate systems' characteristics, the mathematical model and the correlative transformation formula was obtained.
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