本文借助CATIA软件，结合磁悬浮列车动车段工程实例验证了工程设计的三维建模与仿真理论的合理性。
With the software, CATIA, the rationality of the method on Tri-Dimensional digital modeling, simulation and analysis is verified by the example of the depot of magnetic levitation train.
在国家体育场设计中，利用CATIA空间建模软件建立了国家体育场大跨度钢结构精确的三维空间几何模型与计算模型。
In the design of the National Stadium, the precise 3d geometrical model and calculation model for large-span steel structure was established by use of CATIA dimensional modeling software.
规则几何体模型的建立可以直接使用三维设计软件提供的建模工具，但是需要注意精简模型。
The creating of regular geometry model takes use of modeling tool provided by 3d design software, but it needs simplifying the model.
研究了三维动态实体模型建模技术和数字开采设计技术，实现了数字开采软件平台。
The study also touches upon the modeling technology of tridimensional dynamic entity and design technology of digital exploration, which provides software platform for the digital exploration.
结论应用三维建模软件进行解剖结构的三维演示是可行的，它有助于人们更好的理解和记忆解剖结构，进行外科手术设计。
It helps people to a better understanding of anatomical structures and memory. We also can use this model to design surgical operation.
大多数园林设计软件很难构建模型参数可变的三维树。
Constructing a 3d tree model which owns alterable parameters is difficult for most of garden design software.
软件具有创建土建模型、创建管道路径的功能； 具有创建三维模型系统、数据管理系统、辅助设计系统、帮助系统的功能。
The software has the functions of creating the civil work model and pipe routine, 3-D model system, data management system and aided design system.
软件具有创建土建模型、创建管道路径的功能； 具有创建三维模型系统、数据管理系统、辅助设计系统、帮助系统的功能。
The software has the functions of creating the civil work model and pipe routine, 3-D model system, data management system and aided design system.
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