Well, for example,if our surface is a plane, a slanted plane given by some equation, ax by cz = d.
比如说，假如我们的曲面是一个平面，由公式ax+by+cz=d给出的，一个倾斜的平面。
Now, thanks to a new collaboration with NASA, WorldWide Telescope has produced the most detailed spherical image of the heavens to date, along with a new 3-D, true color map of the surface of Mars.
现在，由于与美国航空航天局（NASA）的一项新合作，微软世界望远镜做出了迄今为止最详细的宇宙球面图，还有新的火星表面3D真彩地图。
By analyzing the way each line rises and falls, the software builds a 3-d model of the surface of the finger in less than a second, with each ridge and valley in its proper place.
通过分析每个条纹升降的方式，系统软件在不到一秒的时间里就可构造出手指表面的三维模型，保证每个峰谷都处在各自合适的位置上。
The Naval Sea Systems Command, Naval Surface Warfare Center, Dahlgren Division, Dahlgren, Va. is the contracting authority (contract Number N00178-08-D-5394).
美国海军海上系统司令部的海上水面作战中心Dahlgren分部为主要合同授权机构(合同号n 00 178-08 - D - 5394)。
The second part of a spatial reference system is its projection, which defines how to lay out the Earth surface onto a 2-d surface.
空间引用系统的第二部分是投影，它定义了如何将地球表面放置在2 - d平面上。
D shape retrieval of object surface is an important problem in computer vision.
物体表面三维形状恢复是计算机视觉的一个重要研究内容。
The ratio of energy dissipation WJ/WI increases nonlinearly with increment of fractal dimension D of the jointed surface.
节理岩石的能量耗散比WJ/WI随节理面分维值D增大而增加，两者呈非线性关系；
The measuring methods of D C TIG welding arc anode sheet surface current density split sheet method and probe (made by ourselves) method were analysed and compared.
对直流TIG电弧阳极板表面电流密度的测量方法——分离极板法和探针（自制）法进行了分析比较。
POC(D)(detrital POC) is a major composition of total POC in surface water of Xiamen coastal area.
碎屑POC为厦门近岸海域表层海水POC的主要组成部分。
This paper introduces basic principle about analysis system of surface image of 3 D braiding composite preform.
介绍了三维编织复合材料预制件表面图像检测与纹理分析的基本原理。
The zone reflection characteristic of the smooth bent surface—a special 3 D object is discussed in theory in the paper.
针对一种特殊的三维目标——平滑弯曲表面，从理论上讨论了它的区域反射特性；
D measurement of free surface, one of key technology of Reverse Engineering, is described in this paper.
本文研究了逆向工程的关键技术之一——自由曲面的三维测量技术。
The surfaces of diffraction optical element (DOE) are often deep and discontinuous, which lead to some difficulties for measurement of the 3-d surface topography of DOE.
衍射光学元件(DOE)表面形貌的测量需要解决因表面结构深度较大和表面不连续给测量带来的困难。
The surface image of substance was studied with the method of fractal geometry. Calculated the information dimension(D I)of images, which have different distributing features.
应用分形几何的方法，研究了物质表面图像上粒子的分布特点，计算出粒子疏密分布不同的表面图像的信息维。
The chapter 4 brings forward a new 3-D surface inspection method and apparatus using the linear array CCD camera and the linear light source.
第四章提出了一种新的利用线光源和线阵光电传感器实现物面三维信息检测的方法和装置。
The experimental results show that 3-D surface especially the smooth 3-D curved surface without obvious characteristics can be effectively reconstructed.
实验结果表明该系统能够有效地对三维表面，特别是对无明显特征的光滑自由三维曲面进行重建。
Depth of cut, d, is the normal distance between the unmachined surface and the machined surface.
切削深度d是未加工面与已加工面之间的垂直距离。
Obviously, this research mainly focused on the scope of locomotive 3-d surface modeling.
显然，这项研究的范围主要集中在列车三维表面建模上。
A new technique for 3-d surface measurement is developed.
提出并研究了一种新的三维表面测试技术。
A dynamic 3-d surface shape measuring method for a balloon in quickly leaking gas is proposed.
提出一种气球快速泄气过程中动态三维面形的测量方法。
Based on photometric stereo, a new method is proposed for fabric 3-d surface reconstruction in this paper.
提出了一种基于光度立体视觉方法对织物进行三维表面重建。
The experimental result shows that the perspective model is quite suitable for the 3-d surface measurement, comparing with the orthographic projection model.
实验结果表明，与正交投影模型相比，透视投影模型的三维表面测量效果显著提高。
At last, we get the contour of all these images segmented and realize 3-d surface reconstruction, which is virtual endoscopy.
最后，用前面分割得到的图像，获取轮廓并得到心脏内部结构的轮廓线，实现三维面重建，即虚拟内窥镜。
A novel system for 3-d surface reconstruction based on stereo vision is proposed.
提出了一种基于立体视觉的三维表面重建的新方法。
Flow characteristics (2-d Boundary Layer) and surface thermal balance are identified as the critical assumptions to be evaluated.
我们把流动特性(二维边界层)和表面热平衡作为评价的关键假设。
The shade from shading (SFS) technology was applied to the surface 3-d vision measurement.
将明暗恢复形状(SFS)技术应用于表面三维视觉测量。
The results of the experiments on 3-D surface measurement and the inspection of certain height surface are presented and analyzed.
对特定高度面的检测和三维测量进行实验研究，给出实验结果和相关的分析。
The results of the experiments on 3-D surface measurement and the inspection of certain height surface are presented and analyzed.
对特定高度面的检测和三维测量进行实验研究，给出实验结果和相关的分析。
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