parallel projection

A new concept and method to create a projection plane to analyze the angles of the cutting tool with AUTOLISP is discussed.

提出了用AUTOLISP构建射影平面的基本思想和方法 ;编制了射影平面的构建程序 ;用实例说明该软件在刀具角度解析中的应

The concept and method of adding a projection plane to AUTO CAD drawing-board and drawing non-Euclidean geometry graph on the board are discussed.

提出了将射影平面叠加到AUTOCAD绘图板上并进行电子非欧几何作图的思想和方法 ;编制了相关的实用程序 ;通过对一复杂刀具的工作角度解析结果表明 ,用该软件分析刀具角度 ,开发新型刀具可达到即快又准的效果。

Suzuki groups and projective plane;

Sz(q)群与射影平面

The results show that PSU(3,q) can not block-transitively act on the projective plane.

讨论了自同构群为PSU(3,q)的2 (v,k,1)设计,利用置换群的轮换分解,得到了一个组合设计的参数与置换群元素的稳定点的数目之间的不等式,证明了投影群PSU(3,q)不能区传递地作用在一个射影平面上。

The constant curvature properties,space characteristics and generator properties of Quasi-Einsteinian manifolds of projectively flat in the Finsler space are given.

给出了Finsler空间中拟Einstein流形在射影平坦下的常曲率性质、空间特点、生成元性质,同时研究了生成元对度量以及Ricci射影平坦性质的影响。

The authors completely classify projectively flat(α,β)-metrics F=(α+β)~((λ+1))/α~λ with constant flag curvature,where λ are the real numbers.

完全分类了射影平坦且具有常曲率的(α,β)度量F=(α+β)λ+1αλ。

Then they focus on a projectively flat Finsler spaces, find a sufficient condition for it to be of constant curvature.

文章后半部分探讨了射影平坦的芬斯勒空间,得到它成为常曲率空间的一个条件。

These results are then applied to the research on projective planes.

用置换群和抽象群的理论研究PSU(3,q2)的某些子群结构,并应用到射影平面上。

CHROMATIC SUMS OF NONSEPARABLE MAPS ON THE SPHERE AND THE PROJECTIVE PLANE

球面和射影平面上不可分地图的色和

The Simplification Problem About Equtionof Curve of Order 2 on Projective Plane;

射影平面上二阶曲线方程的化简问题

Several Methods to Solve Asymptotic Line of Curve of Second Order on the Projective Plane;

射影平面上二阶曲线渐近线的几种求法

Classification of Points in Special Position with Respect to Low Degree Curves on Projective Plane;

射影平面上关于低次曲线位置特殊的点集的分类

A Note on k-ordered Hamiltonian Graphs and the Complete Arcs in Tiny Projective Plane;

一类k-可序Hamilton-图的讨论与小度数射影平面上的完全弧

We make use of a mapping known as stereographic projection.

我们作一个称为球极平面射影的映射。

Experimental Study on the Effect of Local Injection of Pingyangmycin to Facial Nerve;

平阳霉素局部注射对兔面神经影响的实验研究

Planar Object Recognition Based on Projective Invariants;

基于射影不变量的平面目标识别方法研究

Effect of exit Reynolds number on self-preservation of a plane jet

出口雷诺数对平面射流自保持性的影响

Influence of operating parameters on discharge characteristics of planar DC magnetron

工作参数对平面直流磁控溅射放电特性的影响

Influence of Operation Conditions on Deposition Rate of Planar DC Magnetron Sputtering

工作参数对平面磁控溅射系统沉积速率的影响

Influence of the Underground Cavity and Inclusion s Cross-section-shape on Scattering and Diffraction of Plane SH-waves;

地下隧洞及夹塞区断面形状对平面SH波散射的影响

The influence of the diameter of the absorber, wind speed and the emissivity of the absorber surface on the equilibrium temperature have been discussed.

讨论了吸收器直径、风速和吸收表面发射率对平衡温度的影响。

Effect of the Balance Factors iu Silver-Sol System on Surface-Enhanced Raman Scattering

银胶体系中的平衡因素对表面增强拉曼散射的影响

Influence from the Shape of an Alluvial Valley or a Canyon on Scattering of Plane SH Waves;

沉积谷地或凹陷地形形状对平面SH波的散射的影响

Output Mirror Design and Thermal Stability Analysis of Corner Cube-Based Non-Planar Ring Laser

角锥型非平面环形激光器偏振反射镜的影响及热稳定性分析

Effect of the transverse electric field on the pitch and reflective characteristics of the planar texture cholesteric liquid crystals

横向电场对平面织构胆甾相液晶螺距及反射特性的影响

ZEMAX auxiliary analysis for effect of rhombic prism surface shape error on parallelism of emergent beam

ZEMAX辅助分析斜方棱镜面形误差对出射光平行度的影响