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。
Continual multi-point forming is novel technology for sheet metal 3-d surface forming.
连续多点成形是一种新颖的板材三维曲面成形技术。
The method has been successfully used in the system for measuring the 3-d surface topography of diffractive optical elements.
此方法已成功地应用于自行研制的衍射光学元件三维表面形貌测量系统中。
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 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。
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 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。
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。
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。
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。
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 development from outer processes to Inner processes brings human's shape-forming technology from 2-d surface into 3-d space, which greatly improves shape-forming capability.
从外加工拓展到内加工，使人类的加工成形工艺从二维表面进入三维空间，极大地提高了零件的成形能力。
The process of forming a 3-D figure from a 2-D surface is called extrusion.
从 2-D 平面形成3-D图形的过程称作挤压。
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 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。
How to measure the 3-D surface topography of the micro-specimens quickly and accurately has become a challenge in the field of modern micro-measurement.
如何快速准确检测微观轮廓形貌，已成为现代精密测试技术与仪器研究的重要课题，所研究的并行共焦探测方法是使微小轮廓的快速高精度检测成为可能。
The precise location of the laser spot center is an important step to raise the measurement resolution in large 3-D surface profile measuring system of laser scanning.
在激光扫描大型三维曲面测量中， 激光光斑中心的准确定位是提高测量分辨力的关键。
The article mainly describes the level displacement of whole dike in 3-D surface by interpolation method for the overall mastery of the deformation of whole dike and directing the construction well.
为了更加全面的掌握堤堰整体的变形情况，以便更好的指导施工，本文主要通过内插法以三维曲面的形式显示出堤堰整体水平位移情况。
The article mainly describes the level displacement of whole dike in 3-D surface by interpolation method for the overall mastery of the deformation of whole dike and directing the construction well.
为了更加全面的掌握堤堰整体的变形情况，以便更好的指导施工，本文主要通过内插法以三维曲面的形式显示出堤堰整体水平位移情况。
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