Also this paper presents the structure of mathematical vessel-model and the existence and uniqueness of the solution and introduces a set of numerical methods to solve the smoothed-spline Surface.
探索和研究了数学船型构造及解的存在、唯一性，且建立了一套求光顺样条曲面的数值方法。
During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
在重建过程中，本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题，保证了三维模型的精确度。
So it adopt cubic spline function to structure die cavity outline in this article, the model points may be surveyed on die cavity surface.
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。
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