引入量化图形中种类最为丰富的斜角坐标系图，作为专题地图的主题图形，用于统计地图制作，拓展了专题地图量化信息可视化的表示方法。

This article USES the quantitative graph of oblique coordinate system as a way to express the quantitative information in the thematic map, which expands the expression ways of the thematic map.

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使用坐标变换法分析了斜角切削几何参数之间的关系。

The geometrical parameters associated to oblique cutting were analyzed using the coordinate transformation approach.

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同时区分了刀刃在坐标平面上的投影角和刀面相对坐标平面的倾斜角，并用实例计算说明这两种角度有时差值较大。

Difference between the angles of edge projections and the angles of the intersections of surfaces and coordinate planes are raised in this paper.

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