几何的

With the consideration of the need of frequency spectrum analysis to geometry information, a new method to reconstruct graphic groups in CAGD is proposed with a new class of complete orthogonal functions in L\-2［0,1］(called V-system).

考虑到几何信息频谱分析的需要，采用L\-2［0，1］上一类新的完备正交函数系，针对CAGD中的几何图组，给出一类信息重构方法。

Coming in with the computer, it has been a hot spot, in computer vision and digital photogrammetry, which obtaining the information of geometry and texture of the shot objects by the technologies of computer image processing and projective geometry. And camera calibration is one of the most important contents.

随着计算机的出现，通过计算机图像处理和射影几何获取被摄物体几何以及纹理信息已经成为了数字摄影测量与计算机视觉界的研究热点，而相机标定则是其中最重要的内容之一。

In this paper, firstly, the lubrication and wear-resisting mechanism of the surface with regular micro-structure is studied and the corresponding lubricated theory model is also developed. And then, use modified multi-grid method to solve the theory model, and cylinder wall surface micro geometry shape parameters are designed and optimized.

本文首先通过研究具有规则微观几何形貌表面的润滑、减磨机理，建立相应的缸套—活塞环摩擦副润滑理论数学模型，利用变异的多重网格法求解此数学模型，对缸套表面微观几何形貌设计参数进行优化匹配。

Typical methods of the first class consist of predictive deconvolution, normal moveout interconversion stacking, f-k transformation, tau-p transformation, parabola Radon transformation and beamforming. They can be called as seismography method based on the geometry. The second class methods, mainly bases on elasticity undulatory theory, through simulation or reversal development method forecast multiple, and then match it with the original data.

比较典型的方法有预测反褶积、正常时差变换叠加、f-k变换、τ-p变换、抛物线 Radon 变换和聚束滤波等，它们可以简称为基于几何地震学方法或"几何滤波类方法"；第二类主要是基于弹性波动理论的方法，通过模拟或反演方法来预测原始数据中多次波，继而从原始数据中匹配减去所预测的多次波。

A set of strategies are presented for modeling different types of error components according to their properties.

根据几何误差的位置特性和热误差的温度或时间特性，在误差的混合信号中，分离了几何误差和热误差。

In this paper,three problems are researched.First,a method for recognizing triangle and quadrangle is introduced based on geometry and angle constraint.Then Attribute Relation Graph is employed to describe simple polyhedron and line drawing.

依据投影几何中的距离约束和角度约束，给出了三边形和平行四边形的识别方法；提出用属性关系图表示平面立体和线图，该描述方法是一种结合表面特征和几何特征的方法。

This document was created by a different version of Sketchpad, and contains objects that are not recognized by this version.

本文档是不同版本的几何画板所建立，其中含有当前版本的几何画板所不兼容的对象。

The whole thesis gives realized design diagram to the main function of the network geometric sketchpad in the thesis,and pointed out the lacks of network geometric sketchpad and the work that should be done in the future.

全文对网络几何画板的主要功能给出了相关设计图表，并在结束语中指出网络几何画板的不足和今后应继续努力的方向。

In this paper a framework is built for differential quantity calculation on spatial curves of point cloud and a new matching method for given point curves is proposed.

建立了点云几何分析的相关理论框架，即定义和计算点云潜在曲线的几何微分量，包括Frenet标架、曲率、挠率等；在此基础上提出一种新的点云空间曲线匹配方法。

The experimental results show that the new reconstruction method is useful for frequency spectrum analysis of geometry information.

实验结果表明，基于V-系统的几何图组信息重构的方法，为开展几何图组的频谱分析研究打下了基础。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。