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- 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. 摘要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 Montonicity and Convexity of the Bivoriate Box Spline Surfaces 二元箱样条曲面的凸性和单调性条件
- In the CAGD field, Coons surface, B spline surface and NURBS surface are mainly used. Coons类曲面、B样条曲面和NURBS曲面是CAGD中主要的曲面表达形式。
- In this paper, it has used three uniform B spline surface to construct the surface of the blade die cavity, and developed a CAD/CAM system of the blade die. 应用双三次均匀B样条曲面，对汽轮机导叶片锻模型腔表面进行曲面构造，据此开发了导叶片锻模CAD及其型腔表面CAM系统。
- According to the matrix representation of quadric B spline surface,a sufficient condition of G~1 continuity between two patches of adjacent quadric B spline surface has been provided. 利用二次B样条曲面的矩阵表达式;将B样条曲面进行分片表示;给出了两邻接二次B样条曲面间的G1光滑拼接的充分条件.
- By usage of this method,simple computation and data process can be obtained by program efficiently rather than the large scale and complex process on reconstruction of the spline surface. 该方法避免了根据离散点构建样条曲面而进行大量而复杂的计算过程,数据处理简单,并可通过程序实现,具有较高的效率。
- bicubic B- spline surface interpolation 双三次B样条插值
- bivariate quadratic spline surface 二元二次样条曲面
- non- uniform rational B - spline surface NURBS曲面
- In this paper, B 3 spline surfaces are introduced to model complex objects, then the radar cross section (RCS) of complex objects modeled with B_3 spline surfaces is calculated by the physical optic (PO) method. 引入B3样条曲面片拟合目标外形，然后利用物理光学（PO）技术分析由B3样条曲面构成的目标的雷达散射截面（RCS）。
- Research of Constructing a Perfect Reconstruction Model Using Box Spline 利用Box样条构造完全重构模型的研究
- The host then passed around a box of cigars. 主人这时拿了一盒雪茄烟请大家抽。
- Application of Geometrically Continuous Catmull-Rom Spline Surface Catmull-Rom几何样条曲面的应用
- How could he get his heavy box up all those stairs? 这么重的箱子他是怎么抬上楼的？
- He brought the box of groceries in from the car. 他把一盒食品从汽车上拿进来。
- A G~1 Spline Surface Blended with Triangular Bezier Patches 三角域Bezier曲面片G~1样条曲面造型
- The heavy box landed crash on his head. 沉重的箱子哗啦一声掉到他的头上。
- It's quite an effort to lift this heavy box. 抬起这只沉重的箱子要花费相当大的力气。
- He opened his safe and drew out a petty-cash box. 他打开保险柜取走一个小钱匣。
- I'm sure this movie will be good box office. 我相信这部电影一定卖座。
