查询词典 triangular factorization

On the basis of systematically discussion of theories and methods of scattered data interpolation, the author mainly studied the problems raised from the practical application of Triangular Bezier surface.

本文在系统研究离散数据曲面造型理论和方法的基础上，着重研究解决三角曲面方法在工程中的应用问题。

Its properties and tracing method are discussed. And the highlight-line model on triangular mesh surface is implemented. The theories put forward in this paper are demonstrated.

提出了三角网格曲面高光线模型的定义，讨论了相关性质及追踪方法，并在三角网格曲面上实现了高光线模型，验证了论文提出的相关理论。

On the basis of triangular Bezier surface modeling technology for 3-D scattered data points, some research work has been done in building the geometric model of ore deposit.

以离散数据的Bezier三角曲面造型技术为基础，本文探讨了Bezier三角曲面在建立矿床几何模型中的应用。

Based on the analysis of the characteristics of triangular Bezier surface construction and surface/plane intersection, in chapter 4, the author puts forward a construction method of surface/plane intersection curves.

第四章针对三角Bezier曲面的构造特性以及平面与三角曲面求交的特点，提出了一种任意截面曲线的保形构造方法。

Meters high tower, 13 storey, triangular, dorsal surface north south.

塔高20米，分13层，三角形，面南背北。

In this paper, according to the data format of surface in mechanics analysis software and based on computer aided geometric modeling, we present a novel intersection and trimming algorithm based on triangular discrete surface to realize the complex modeling of pneumatic membrane structure.

本文按照力学分析软件中曲面表示的数据格式，辅以计算机辅助几何造型的基础，提出了一种基于三角离散的曲面求交和裁减算法，实现了充气膜结构复杂外形的造型工作。

An approach to generate arc spline tool path of triangular mesh surface was proposed.

提出了三角网格表面数控加工圆弧样条刀轨生成方法。

It is proved that it can generate multi-axis NC machining tool-path for all kinds of triangular mesh surface models accurately and efficiently.

实例证明，该算法刀轨生成精度高，运行速度快，且适用于各种复杂三角网格曲面模型多轴数控加工刀轨的生成。

These two kinds of methods resolved many problems in modeling and make it feasible to build the model of triangular Bezier surface.

由于三角曲面对数据拓扑关系具有较宽的适应性和良好的保形性，使三角曲面特别适合于描述产品外形中自由曲面部分，这也正是逆向工程CAD建模中最难处理的部分。

The boiling behaviors on vertical surface and inside triangular channels were visualized with a digital video camera.

池沸腾时，气泡在加热表面产生、长大并自然脱离；当沸腾在有限空间进行时，气泡的生成和脱离受到限制，气泡会受到壁面的挤压而变形。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。