样条曲面尽管是一种特殊NURBS，但在实际应用中是首选形式。
B spline as a special of NURBS is the most often used method in the industrial world.
研究了三向四次箱样条曲面与控制网格中心三角平面片间的距离和该距离的界。
The distance from 3-direction quartic box spline surface to the central triangular planar patch of its control net is investigated as well as its bound.
探索和研究了数学船型构造及解的存在和唯一性；给出了计算双三次样条曲面的过程。
The structure of mathematical vessel-model and the existence and uniqueness of the solution is studied and the procedure for computing Bicubic Smoothed-Spline Surface is also provided.
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。
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.
样条曲面具有灵活性，概念简单，易于通过操作控制点控制形状，所以对于自由曲面建模十分重要。
Spline surfaces are very important for the modelling of free form surfaces, because of their flexibility, simple concept and easy shape manipulation by the control points.
样条曲面的局部设计是完全根据反求工程CAD建模的实际需求而提出的一种局部区域曲面设计方案。
Local B-spline surface designing strategy, a surface coincided technology, is proposed entirely originated from practical requirements in reverse engineering CAD modeling.
对于参数曲面，采用先离散，再重新拟合的处理方法，建立统一的双三次参数样条曲面通用工件模型。
The input parametric surfaces are discrete, then we will get new surfaces with bicubic parameter spline function and build uniform workpiece model.
介绍了一种在控制三角形网格上创建光滑样条曲面的算法，该控制网格能够刻画具有或没有边界的任意自由曲面。
The paper introduces an algorithm for creating smooth spline surfaces over control triangular meshes capable of outlining arbitrary free-form surfaces with or without boundary.
添加一下曲面修改，然后我就有了这个几何体。我之所以更喜欢使用样条函数是因为这样速度会比较快和编辑的效率也比较高。
Added a surface modifier and bam, I had the geometry. I prefer to work with splines just because of the speed and editable efficiency.
工作流创建的汽车可能会有所不同，使用样条曲线和曲面箱造型。
The workflow for creating a car can vary, from using splines and surfaces to box modeling.
为得到布尔和曲面所要求的信息，传统的样条方法是极为不易的。
By means of many-knot splines and algorithms used in this paper, Boolean sum surface starts its new lift.
样条方法是当前自由曲线曲面造型最为常用的方法，动态规划为解决离散最优化问题的有效手段。
B-spline is the most popular method to present free-form curve and surface, and DP algorithm is the effective approach for solving discrete optimization problems.
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。
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.
本文应用样条函数方法给出求解一般开曲面短程线的数值得的方法，进一步对计算机图形绘制进行了探讨。
The numerical solution of the shortest geodesic on open surface is given by spline function method, and computer drawing is discussed.
本文应用样条函数方法给出求解一般开曲面短程线的数值得的方法，进一步对计算机图形绘制进行了探讨。
The numerical solution of the shortest geodesic on open surface is given by spline function method, and computer drawing is discussed.
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