By introducing the concept of coordinate correlation, those random and scattered coordinate points were correlated as an organic whole via physical and logical relations.

引入坐标关联的概念，将那些无序、零散的坐标点用物理、逻辑关系关联起来，使之成为有机的整体。

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The coordinate system must therefore be mapped from logical Cartesian coordinates to physical screen coordinates.

因此，坐标系统需要从逻辑坐标系转换到物理坐标系上去。

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The coordinate system must therefore be mapped from logical Cartesian coordinates to physical screen coordinates.

因此，坐标系统需要从逻辑坐标系转换到物理坐标系上去。

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