Road surface model is basis of highway three dimension design, the key is the overlaid compute of design model and terrain model.
公路三维表面模型是公路三维设计的基础，其关键是设计模型和地表模型的叠加运算。
It mainly includes building a complex three-dimension model, use of modeling tools, methods of three-dimension movie design, design of multi-task controlling panel and computer testing modules.
复杂三维模型的建立、建模工具的灵活使用、三维动画设计方法、多任务控制面板的设计以及计算机考试模块的设计。
Based on the analysis of the kinematic diagram of mechanism concerning the eccentric piston pump, the three-dimension model of the eccentric piston pump was established by CAXA solid design software.
在分析偏心柱塞泵机构运动简图和工作原理的基础上，运用CAXA实体设计软件创建了该机构的三维模型。
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