三维

Finally, the virtual scene was reedited in a VR software, producing the eventual interactive virtual reality file which could be executed directly. Results: A considerable number of digital 3D models of frequently used implant systems were successfully constructed, initially completing the construction of model base for virtual reality in dental implantology education.

结果：制作完成了部分常用口腔种植系统的相关三维模型，初步建立起了口腔种植修复学教学用虚拟现实的三维模型素材库，初步搭建了1例典型的口腔种植修复临床治疗场景，编辑生成了可直接操作的三维虚拟现实课件。

In the three dimensional seismic survey research process to HuoJitu well field in DaLiuta coal mine, it used weakness before superimposes、three dimensional after superimposes weakness followed with noises and other technics to dispose with the primary earthquake section planes, which enhancing three dimensional earthquake data body signal-to-noise ratio.

在对大柳塔煤矿活鸡兔井田进行三维地震勘探研究过程中，对原始地震剖面采用叠前面波衰减、三维叠后随机噪音衰减等新技术加以处理，提高地震三维数据体的信噪比。

The main contents on visualization of this paper involve the opening figure base of OpenGL and the technique of Java3D and so on. And we have achieved three dimensional modeling on the base of TIN from the data of DEM. We also have achieved the three dimensional render and visualization superposing the the characteristics of topography from DEM.

本文在可视化的主要研究内容为，采OpenGL开放图形库和Java3D技术，实现了数字高程模型的三角网地形模型的三维建模，并实现了将流域特征信息与三维模型相叠加的动态三维渲染显示。

It is simple, fast and precise to measure objects three dimensionally through structured light. It is also fast and exact to reconstruct the 3D shape of object by triangulating the 3D data points.

利用结构光可以简单、快速并且精确地对被测物体进行三维测量，对获取的三维数据点集进行三角剖分，可以快速准确地重建被测物体的三维形状。

It is also fast and exact to reconstruct the 3D shape of object by triangulating the 3D data points. The study in this thesis is about the algorithm of obtaining 3D data on the basis of range image obtained by structure light and the algorithm of object reconstruction.

利用结构光可以简单、快速并且精确地对被测物体进行三维测量，对获取的三维数据点集进行三角剖分，可以快速准确地重建被测物体的三维形状。

At present die design, 3D die design is the trend of development. This thesis designed 3D die of blanking and draw processes of taillight supporter with UG software, Summarized the merits and the characteristics of 3D die design.

最后，在现代模具设计里，三维模具是发展趋势，本文结合UG软件对汽车尾灯支架落料和拉延工序的模具进行了三维设计，总结了三维模具设计的优点和特点。

In summary, the 3D visual simulation system for relay based on the OpenGL is developed in the foundation of research on its essential technologies in this paper, and the system can not only use for direct current rapping relay design directly but also will provide the powerful support for 3D visual simulation technology widely applied in relay industry.

综上所述，本文在较深入的研究了基于OpenGL的继电器三维可视化仿真系统的理论及关键技术基础上，开发了基于OpenGL的三维可视化仿真系统3DJDQCAD，其研究成果不仅可直接用于直流拍合式继电器的开发设计，而且也将为三维可视化仿真技术在继电器行业中全面应用提供有力支持。

Finally, the techniques of time-serial measurement for transient flow field, three-dimensiqonal tomography, computer image processing and the theories above quantitative calculation studied in the thesis are used to measure the free jet flow field of real rocket, the flow field of bore nozlle, impingment field of exhusted jet, three-dimensional flow field in hypersonic shock tunnel, the flow field of boundary layer transition, explosive and combustion flow field of detonating powder and 3-D temperature field.

最后，利用本文所研究的瞬态流场时间序列定量测试技术，三维C.T技术，计算机图像处理技术和定量计算理论等对真实火箭燃气射流场，膛口流场，燃气射流冲击场，高超音速激波风洞中的三维流场，模型边界层转捩区流场，起爆药爆轰流场和燃烧场、三维温度场等进行测试，取得了一些国际上首创性的成果，并对实现上发现的一些新现象进行理论分析和解释。

It classifies the technique of the drawing in brush style. In this thesis, we modify mainly the drawing mechanism of three-dimensional computer game engine. It is automatically to find out silhouettes and characteristics of model with computer, and to present the result of Chinese ink drawing by adjust the thickness of lines in brush style.

本论文之研究重点，为将三维电脑游戏引擎中绘图机制，改以电脑自动找出模型轮廓及特徵，并以调整线条的粗细变化及渲染的笔触方法，来绘制三维电脑游戏中的三维人物模型，使人物模型的物体呈现白描技法的效果。

Secondly, the paper gives out the procedure of the three-dimensional dredge boat modeling, which uses the VR tool-MultiGen. Establishing the DOF of the VR model and the VR model motion relations are depicted in the third chapter.

其次，介绍了利用三维建模工具MultiGen建立三维疏浚船模型的方法，其中涉及虚拟三维模型的建立、自由度(DOF，Degree Of Freedom)的设定、运动关系的数学描述等内容。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。