该方法通过二次曲面求管线表面轮廓方程进而求得管线的型值点集。

With this method, shape points were calculated by surface outline equation got from quadratic surface.

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复杂曲面的面轮廓度是一个应用广泛而又难于测量和评定的问题。

Profile error of complex surface was common and difficult to be measured and evaluated.

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其主要步骤有：1。定义叶片轮廓曲面的中心曲线。

Define the center curves of the top contour for blades.

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其主要步骤有：1。定义叶片轮廓曲面的中心曲线。

Define the center curves of the top contour for blades.

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