您要查找的是不是：
- The results of analysis show that the workspace of parallel machine tools is enveloped by many surface patches. 分析计算结果表明，并联机床的工作空间是由多张曲面片包围而成的闭包。
- Analysis and calculations show that the workspace of double-octahedron VGTRM is enveloped by six surface patchs. 分析计算结果表明，二重八面体变几何桁架机器人的工作空间是由6张曲面片包围而成的闭包。
- Keywords surface modeling;MDT;surface patch;joining; 曲面建模;MDT;曲面片;拼接;
- In order fo find the intersected patches more efficiently, a quadtree representation for surface patches is utilized. 该算法通过建立曲面树形存贮结构及网格面的包围盒,实现光线曲面片的相交测试;
- There are two ways to present a surface for the purpose of visualization and co mputation.One is to use analytical surface patches via functions(i.e. contin uous surface). 计算机曲面描述通常采用两种方法:用数学函数曲面表示方法(即连续曲面)和用离散的数据点与相应点间的拓扑关系表示曲面(即网格曲面)。
- The former searches continuous surface patches with geometric similarity, by using the mean-square deviation of vector contained angle of the least-square fitting planar method. 前者通过最小二乘拟合平面法矢量夹角的均方差值来搜索具有几何相似特性的连续曲面片。
- This paper introduces the technique of 3D surface matching without using control points.A new algorithm, Multiply Surface Patches Matching (MSPM), is proposed to match the two temporal DEMs. 引入无控制三维表面匹配技术，提出分块区域匹配方法配准两期DEM。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- Study on the diminishing surface patch of blending regular n-convex corner with the potential function method 势函数法磨光正凸n面角的曲面片消失研究
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
