凸轮三维实体模型自动生成模块。
实现了交互式动态更改三维实体模型。
Realized the mutual rectification of the three-dimension models.
利用UG软件对活塞进行三维实体造型。
We used the three dimensional software UG, to establish solid modeling of the piston.
建立三维实体模型。
利用UG软件建立了压缩装置的三维实体模型。
The three-dimensional digital model of compression equipment and chamber are obtained based on UG package.
逆向仿形建立了某种型号的螺旋进气道三维实体模型。
Set up one helical intake port model by reverse engineering.
结合三维实体造型的特点，介绍了剖视图与剖切面的分类。
Combined with 3d solid modeling, the classification of cutaway drawing and cutaway plane are introduced.
根据车身总成分及零件装配关系建立了车身三维实体模型。
The three dimension CAD model of the car body is created based on connection property between assembly and part.
重点介绍了三维实体的建模方法、场景驱动及视点变换技术。
The means of modeling 3d objects, scene driving and viewpoint translation are introduced especially.
三维实体造型，是计算机辅助设计在机械设计领域的重要应用。
D solid modeling is the important application of Computer Aided design in the field of mechanical design.
最后根据前盖板的形状进行旋转操作，得到叶轮的三维实体模型。
Finally, according to the shape of the front cover of the rotation, three-dimensional solid model by the impeller.
对于三维实体，主要是如何对实体进行划分、组织、存储和检索。
For 3d entity, the main thing is that how to divide, organize, store and search.
最后由零件和部件的三维实体生成用于指导制动器生产的二维工程图。
Lastly, the three-dimensional mold, made of components, turns out two-dimensional graph to direct the brake.
为了与工程实际相符合，本文采用三维实体建模，几何尺寸与工程实际相符；
Three-dimensional solid modeling method is introduced in this paper for good result, and the geometrical size of the model is consistent to the true value.
该系统可完成蜗轮滚刀的三维实体设计、结构设计与工程图的自动生成等工作。
This system can accomplish the design of three-dimensional worm wheel hob, construction design and the engineering drawing's automatic achieving.
借助MDT三维实体建模系统和面向对象的编程技术实现特征建模的系统原型。
Finally, the system prototype for the feature modeling is realized in the MDT system.
在此基础上建立了改进后的燃烧炉三维实体模型，对炉内燃烧场进行了数值模拟。
Besides, the improved burner three-dimensional solid model of the combustion field is established and numerically simulated.
CAXA实体设计是一款非常优秀的三维实体设计软件，易学易用，简单、方便。
CAXA physical design is a very good three-dimensional solid design software, easy to use, simple and convenient.
作者结合三维实体单元模型，介绍如何对其进行面向对象的非线性有限元程序设计。
Based on the three-dimension solid element, how to design for Object-Oriented nonlinear FEM Program.
建立一种表面为复杂二次曲面的空心三维实体模型，分析了该模型的快速原型方法?。
Rapid Prototyping provides a new method of aiding to diagnose. A hollow three dimension model with complicated conicoid surface was built and the prototyping processing was analyzed.
提出了实体几何缺席推理理论，研究了相应的三维实体重构算法，并进行了实例验证。
A new theory called default geometric reasoning is put forward, and the corresponding solid reconstruction algorithm is studied.
本文以紧密啮合同向平行双螺杆为实例对其啮合机理和三维实体造型原理进行了阐述。
In this article, taking the close-intermeshing corotating bon-screw as an example, we analyze its intermeshing mechanisms by using AME.
其次，概述了主要的几个三维模型的表示法，并对三维实体间的集合运算进行了研究。
Secondly, the paper summarizes the main representations of 3d modeling and carries ona research to the set operations of 3d modeling.
通过对基于浮力测量的三维实体测量与重构系统测量要求的研究，设计了一种夹持机构。
Through analyzing the three-dimensional entity measurement and reconfiguration based on the buoyancy measurement, the paper has designed a new clamping device.
此时，三维实体的“边界”是指“边界表面网格”，它既具有几何性质，又具有拓扑性质。
Here the three dimensional entity boundary is boundary surface mesh, which owns not only geometric property but also topology property.
在设计过程中，广泛采用先进的三维实体数字化设计技术、虚拟样机技术和数字仿真技术。
Secondly it was widely adopted that the advanced three-dimensional entity digital design method, virtual prototype technique and digital simulation technique in the processing of design.
仿真结果——三维实体模型通过转换成实体文件亦可导入器件级软件进行器件的性能分析。
The rationality of process and layout design can be checked up, and the simulation's output transformed into model file can be imported into device level to actualize the device's capability analysis.
在虚拟加工环境的建造过程中，关键技术是三维实体的数据结构和加工仿真的逐步成型算法。
In the course of building virtual machining environment, key technologies include data structure of 3d solid and gradual molding algorithm in machining simulation.
空间仿射坐标系的平行投影问题在计算机图形识别、跟踪目标及三维实体重建中具有重要意义。
Parallel projection of the affine coordinate system has a significant impact on computer graphics recognition, object's tracking or solid model reconstruction.
本文提出了基于变量和表达式定义的三维实体建模方法，并采用这个方法实现了一个模板工具。
The thesis develops a method of solid modelling based on defining variables and expressions and implements a template tool.
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