因此，这里采用三次样条函数拟合曲线构造模具型腔廓线，其型值点由已有模具型腔测得。

So it adopt cubic spline function to structure die cavity outline in this article, the model points may be surveyed on die cavity surface.

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文中将GA用于三次样条函数拟合的系数求解，避开了矩阵求逆的繁琐问题，结合具体例子作了一些探索。

GA is used to obtain coefficients of cubic spline function fitting to avoid the inverse of the matrix and some work is made with an example.

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介绍了用三次样条函数作通风机性能曲线拟合的方法。

The method of using cubic spline function as fan characteristic curve fitting is introduced.

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