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 On Problem of Vertices on Planes with Self intersection 自交平面曲线的顶点问题 短句来源 In the method the parametric curve on the surface is approximated by the straight line segments. According to Chou ShuoYan's algorithm, we solve the problem of self intersection in the unrestricted offset and apply it to the computation of a collisionfree tool path. Meanwhile, the mathematical representation of cutter initial position and the internal or external profile on the machined workpiece is given. 采用参数线差分方法，用直线逼近参数曲面的参数曲线去实现雕塑曲面的数控加工．根据ChouShuoYan算法解决了数控多轴加工中无约束的刀轨自交问题，给出了多轴数控加工时刀具的初始位置及工件内、外轮廓的数学表示，最后用矢量运算的方法生成了理想刀心轨迹． 短句来源 A new algorithm, including the first offset and the self intersection treatment of the profile loops, is investigated for NC milling. 本文针对数控加工中复杂轮廓环的等距问题，提出了一种有效的环原始等距、原始等距后环的自交处理算法。 短句来源 In this paper, applying the K method in the real interpolation theory we show that the self intersection local time of planar Brownian motion belongs to the fractional Sobolev spaces D p α provided for p>1 and α<13. 本文运用实插值理论中的 K-方法证明了平面上 Brown运动自交局部时属于分数次Sobolev空间 Dpα,其中 p >1及α <1 /3. 短句来源 Error control for offset approximation and self intersection of subdivision surface is considered. 另外 ,该文还考虑了逼近的误差控制和等距曲面的自交问题 短句来源
 “self intersection”译为未确定词的双语例句
 Methods: Seventy two patients were divided into two groups, the patients in test group took SIOD and in control group using ondensetron, and the efficacy of SIOD in preventing and treating chemotherapy induced nausea and vomiting were studied prospectively with self intersection approach. 方法 :72例患者用旋复代赭汤加味治疗 ,同时设西药恩丹西酮为对照 ,对化疗呕吐反应的防治效果进行前瞻性临床自身交叉对照研究。 短句来源 The self intersection problem is solved, and users can define an influence region by our deformation tool. 另外 ,还可用来定义变形影响区域 . 短句来源 In contrast with the local triangulation algorithm, the algorithm in this paper is more powerful to avoid surface self intersection. 与基于中轴的三角剖分算法相比,该文算法需要更少和更简单的计算. 短句来源
 相似匹配句对
 On Problem of Vertices on Planes with Self intersection 自交平面曲线的顶点问题 短句来源 NON SELF_INTERSECTION CORNU SPIRAL 不自交的卡螺牛曲线 短句来源 Self-introduction 自我介绍 短句来源 Self Introduction 自我介绍不用怕 短句来源 Planning design of intersection 城市道路平面交叉口的规划设计 短句来源

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 self intersection
 We show the existence of probability measures which are absolutely continuous with respect to P, and whose Randon-Nikodym derivatives are suitably normalized functions of the self intersection local time of η. The self intersection of an immersion $$i: S^2 \to \mathbb {R}^3$$ dissects S2 into pieces which are planar surfaces (unless i is an embedding). The classification yields a complete classification of geodesics on hyperbolicT which have self intersection number two. The classification leads to the topological result that, up to homeomorphism, there is a unique curve in each class realizing the minimum self intersection number. We classify the free homotopy classes of closed curves with minimal self intersection number two on a once punctured torus,T, up to homeomorphism. 更多
 A logical,concise and complete algorithm for triangulating arbitrary polygons is presented as a tool of solid modeling.The polygon with holes can be changed into the non-self intersection polygon using"bridge edges".A triangle-splitting algorithm for triangulating nonself intersection polygons is described and implemented. 本文提出一个简洁的、完整的、逻辑性强的任意多边形三角部分算法,作为三维立体造型的工具。算法引入“桥边”的概念将有内孔的多边形转化成非自交多边形,用一个三角形分割算法解决非自交多边形的三角剖分问题,从而实现了任意多边形三角剖分。 This paper improves the famous algorithm of convex hull proposed by Chen Chenglin. The improved algorithm is efficient, can avoid self intersection and can be implemented easily. This paper introduces the method of convex hull of simple polygons, analyzes the defects of algorithm by Chen.We use the improved algorithm for finding the three latitude of a body and get good performance. 本文改进了一个有名的简单多边形凸包算法——陈氏算法，使得改进后的算法不但具有线性效率、可避免自交等优点，而且实现简单。本文介绍了简单多边形凸包计算的主要思想，分析了陈氏算法的缺点。我们采用改进后的算法进行人体三围特征计算取得了满意的结果 Two types of novel spirals are introduced,the spiral of Napierian loharithm and the inscribing circular spiral.They both approach asymptotically a limit cycle and the former has otherwise the points of self-intersection which have never occurred in various historical spirals of singificance. 引入两类新颖螺线，即讷氏（自然）对数螺线与内接圆线．二者均周绕渐近于一极限圆．前者在另一方面还具有曲线的自交点，这种情况在数学史上各种重要的螺线中从未出现过． << 更多相关文摘
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