Nowadays, the construction module of free curves and surfaces is still the core one of the key parts in CAD/CAM.
至今，曲线曲面造型模块仍是CAD/CAM系统的最关键部分之一。
In order to reach the high precision, the construction module"construction of beam after pier", with a disadvantage of long construction term, has been adopted in many foreign projects for decades.
为适应高精度要求，国外同类工程多年来一直沿用“先墩后梁”的模式组织建设，缺点是建设周期太长。
The system is mainly composed of file module of reading data, creation module of NURBS curve, surface construction module, parameterization modifying module, data conversion module and user interface.
系统主要由读取数据文件模块、NURBS曲线生成模块、曲面构造模块、参数化修改模块、数据转换模块以及用户界面组成。
The system is mainly composed of file module of reading data, creation module of NURBS curve, surface construction module, parameterization modifying module, data conversion module and user interface.
系统主要由读取数据文件模块、NURBS曲线生成模块、曲面构造模块、参数化修改模块、数据转换模块以及用户界面组成。
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