答：虚拟制造是实际制造过程在计算机上的本质实现，即采用计算机仿真与虚拟制造技术（virtual manufacturing technology，VMT）是以虚拟现实应用： 虚拟技术可以大大节省机械产品的开发周期和成本。
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Simulation is made on the machining by making use of the virtual manufacturing technology, and the optimized numerical control machining procedures are given.
本文论述了解决一种复杂型面的数控加工的关键技术，并利用虚拟制造技术对加工进行仿真，给出了优化的数控加工程序。
Based on the research of virtual manufacturing technology, a VR-based virtual machining environment was proposed and a general NC code translator was worked out.
阐述了虚拟加工环境的工作流程、基于层次关系的虚拟加工框架技术、NC代码翻译器的设计方法、基于毛坯表面模型的三角片构建算法等关键技术。
The paper analysis that it is feasible to apply the concept of virtual manufacturing technology to modern mold manufacturing, and further discusses the organized mode of modern mold manufacturing.
本文先分析了现代模具制造引进虚拟技术概念的可行性，然后对其组建模式进行深入的探讨。
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