This paper analyses the geometrical character of curve of edge of form milling cutter, and infers the mathematical equations of curve, The center coordinates of conical button-shaped are evaluated.

本文分析了成型铣刀刀刃曲线的几何性质，推导出它的数学方程，求取铣刀上圆盘刀片中心坐标，为成型铣刀的计算机辅助设计奠定了理论基础。

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The curve of an eddy current displace sensor can be converted into a line by analysing the character of the curve obtained by polynomial fitting.

通过对某电涡流位移传感器位移、电压用多项式拟合曲线的特点进行分析，经过试探发现该传感器曲线可转化为直线。

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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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