By calculating and comparing the minimum distances between a point and these curve segments, the minimum distance between a point and NURBS curve can be found.
计算点到各曲线段的最小距离，通过比较这些最小距离值，找出点到平面NURBS曲线的最小距离。
By calculating and comparing the minimum distances between a point and these curve segments, the minimum distance between a point and NURBS curve can be found.
计算点到各曲线段的最小距离，通过比较这些最小距离值，找出点到平面NURBS曲线的最小距离。
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