In reverse engineering, the character of surface border curve in complex contoured product is the key factor affecting the outlook designing quality of product.

在逆向工程中，复杂外形产品的曲面边界曲线的品质，是影响产品外观设计质量的关键因素。

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Border tubing can also be used to highlight a curve or a unique architectural feature.

照明管也可以用来强调曲线和独特的建筑特征。

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Getting the curve border from a binary image is very important in CNC carving system.

从二值图像中得到曲线轮廓，在数控雕刻业中有重要的作用。

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