For mapping direction, the weighted formula of visual color difference is proposed and the three-dimensional mapping model is designed.

匹配方向方面，提出了加权视觉色差公式，并设计了实用的三维搜索匹配模型。

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According to this ring and mapping direction we classify the mapping transformation into two sorts: forward algorithm and reverse algorithm.

依据映射的变换方向不同，论文提出了非均匀映射实现的两类算法：正向算法与反向算法。

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Once you map the relationship in one direction the mapping tool will automatically complete the mapping in the other direction.

一旦您映射了一个方向的关系，映射工具会自动完成另一个方向的映射。

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This sense of digital literacy extends to maps as well, which now include actual street views, iOS compatibility, transit system schedule transposition, direction mapping.

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