We often have to finish the work of transformation between Rectangular Plane Coordinate Systems.

在测量工作中，常需要进行平面坐标系之间的转换计算工作。

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We often have to finish the work of transformation between Rectangular Plane Coordinate Systems.

在测量工作中，常需要进行平面坐标系之间的转换计算工作。

youdao