Find all triangles that intersect each other in 3d space, and split them using line of intersection.

找到所有的三角形相交于三维空间中彼此分离，并使用交叉线。

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The line of intersection can be made with a general method when the cylinder and frustum of a cone are normal to each other.

当圆柱与圆台正交时，其相贯线可用一般方法作出，但其正面投影和水平投影上相贯线的最右点不能准确定位。

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The line of intersection, inward concave and shallow area of curved surface are the difficult points in curved surface machining.

曲面交线、曲面内凹区域及曲面中浅平面的加工是曲面加工中的难点。

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You could stack an investment line and later a government spending line on top of a consumption line and establish equilibrium spending and income by the intersection of the top line with the 45-degree line.

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The station would be built at the intersection of the Cotswold railway line and Birmingham to Bristol main railway line, the council said.

BBC: Worcestershire Parkway plans progress