Closed surfaces

Some local structures of C 0 flows on closed surfaces

闭曲面上的C~0流的几类局部结构

Boundary element method for calculating acoustic radiation from , closed surfaces with prescribed velocity distribution

边界元法计算已知振速封闭面的声辐射

Instruction Design Studies of " Euler 's Formula and the Classification of Closed Surfaces " for High School Mathematics

高中数学欧拉公式与闭曲面分类教学设计研究

This paper establishes some formulas on orientable closed surfaces in 3-dimensional space forms .

本文建立关于三维空间型中的可定向闭曲面的某些公式。

An efficient algorithm for real time collision detection between complex deformable objects with closed surfaces by using graphics hardware .

提出了一个基于GPU实现的、针对于复杂的封闭、变形物体的实时碰撞检测算法。

Uniqueness of Orientation Preserving Periodic Maps of Maximal Order on Orientable Closed Surfaces

可定向闭曲面上最大阶保定向周期映射的唯一性

The clipping algorithm of2D arbitrary domain is improved to form the parametric boundary loops of the closed surfaces .

改进二维多边形区域的裁减算法，解决了闭合曲面在参数空间中的边界环形成问题。

Then we give the characterization of Cr flows with the pseudo orbit tracing property on nonorientable closed surfaces .

做为应用给出了不定向闭曲面上具有伪轨跟踪性质的Cr流的特征。

Rotational symmetry of closed surfaces of D obitals

d轨道各瓣闭曲面的旋转对称性

Some properties of the super plane in space forms are investigated , which is helpful to construct the example showing the banding properties of the closed surfaces in space forms .

而且探讨了空间型中超平面的性质，这对构造体现空间型中闭曲面整体弯曲程度的例子是有帮助的。

The application of BEM to the calculation of acoustic radiation from closed surfaces in an infinite acoustic medium has the advantages of less memory space , higher accuracy and faster calculating speed .

采用边界元法求解封闭面在无限域声媒质中的辐射声场具有内存小、计算精度高、速度快等优点。

The quadrilateral grid graph of closed surfaces was obtained through surface slicing , offset point picking up , ordering of point array , 1D interpolation , and data merging .

经过曲面切片、型值点提取、点列排序、一维插值、数据融合，得到闭曲面四边形网格图。

The metal wire was a fairly fast way to get the some volume and size ; I also tried to cover the structures in clay and in paper mache to get some closed surfaces .

利用金属丝构造是获得一些关于体积大小的想法相当快的方式，我也试着用粘土和纸去覆盖这个构造，从而获得封闭的表面。

At last by studying the property of isolated umbilic point in Q ~ 3 , the umbilic points index sum theory of positive definite oriented closed surfaces in Q ~ 3 is discovered .

中的孤立脐点的性质进行研究，得出Q~3。

We have discussed the harmonic mappings of closed convex surfaces under some weak conditions .

在较弱条件下研究了凸闭曲面的调和映射问题。

Universal polar stereographic grid Parametrization of the Closed Triangular Surfaces for Surface Fitting

面向曲面拟合的封闭网格曲面参数化

Equivalence of the Orienation-Reversing Free Actions on Closed Orientable Surfaces by Finite Groups ;

有限群在可定向闭曲面上反向自由作用的等价性（英文）

As an example , the acoustic radiation field of closed axisymmetric surfaces with prescribed surface velocity distribution is calculated in the paper .

文中以轴对称形封闭面为例，计算了具有已知表面振速分布下的辐射声场。

As Hydro turbine blade is a very complex body closed by sculptured surfaces and the operating condition of the runner is also very complicated , traditional research way was combined the simplified theoretical analysis and model test .

由于水轮机转轮叶片是非常复杂的雕塑曲面体，转轮的工作条件也非常复杂，传统的研究方法是采用简化理论分析研究与模型试验相结合。

Curve shortening flow is not only used to study differential geometric problems such as the existence of closed geodesics on surfaces , but also served as the physical model describing the motion of interface in the theory of phase transition .

曲线流不仅可用于解决曲面上闭测地线的存在性等几何问题，而且可作为相变理论中描述界面运动的物理模型。

Portable : Top , sides , bottom and back of computer in view when closed . All textured surfaces not covered by Class I examples above .

便携式：计算机关上后所看到的上面，两边，底部和后部.即所有一级区域未提及之咬花表面。

In a structure of multi-materials , the motion of material interlaces can be abstracted as the evolvement of closed curve or curved surfaces with respect to time .

多材料结构中材料界面的变形运动在几何上可以抽象为闭曲线或闭曲面随时间的演化。