查询词典 polyhedron

All isotropic constants of regular polyhedron in a three dimensional space are given in this paper. The result shows that the guess is right in a three dimensional space.

给出了在三维空间中全部正多面体的迷向常数的数值，从而说明这一猜测对三维空间中的正多面体是正确的。

This is a polyhedron algorithm ezw the encoding and decodi...

这是一个多面体的ezw算法的编码与解码程序，压缩文件里头有程序的注释！

A polyhedron, such as a cube, that has six faces .

六面体一个多面体，如有六个面的立方体

Whether a polyhedron can be recovered from a single perspective view is studied and theoretical analysis as well as simulation results are presented.

不同于其它方法，我们的不变量是以实数形式给出的，这组不变量用来训练一个三层感知器，学习算法是BP算法。

This paper proposes an algorithm to divide an arbitrary polyhedron to tetrahedrons and gives its theoretical basis, data type and implementation.

本文提出了一种将任意多面体剖分为四面体的算法，给出了算法理论基础的证明、算法具体实现步骤及所用数据结构。

Polygin, polyhedron, and other complicated products, Especially in sports, medical, automobile, and electrical applications.

多边、多角及其他复杂成品，特别是运动用品、医疗用品、汽车用品、电子用品等精密性应用。

Polyhedron particles of Antheraea pernyi nuclear polyhedrosis virus were isolated and purified.

对柞蚕多角体病毒的多角体颗粒进行了分离和纯化，并在显微镜下进行了形态观察。

These constructing the polynomial polyhedron from its image pair observed at different viewpoints.

我们还在计算机上对该整体立体视觉方法进行了实验，并给出了实验结果。

The formation mechanism of the screw structures on the surfaces of polytype crystals is discussed according to the theoretical model of anionic coordination polyhedron growth units.

本文用负离子配位多面体生长基元理论模型讨论了多型性晶体表面螺旋结构的形成，提出在多型性晶体中配位多面体呈层状分布，配位多面体的面为层的边界，上、下层负离子配位多面体不是呈镜象对称的，在三方晶系和六方晶系的晶体中是沿晶轴a、b错开，上、下两层负离子配位多面体体呈交叉对应，从而达到稳定平衡。

A polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid.

顶点都在一个平面或两个平行的平面上的多面体；位于那些平面上的面是旁面三角台的底部。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。