An efficient NURBS surface local fairing method was presented based on quality detection lines(reflection lines or highlight lines)of the patch.

提出基于补丁曲面质量检测线（反射线或高亮线）局部光顺NURBS曲面算法。

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The final lines highlight the dangers of standing on the edge of the rail platform and running across tracks.

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Still, the angled edges highlight the system's design: brushed metal, glossy plastics and clean lines.

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