ncad meaning in English

非冠心病组

In this paper , focused on the system of cad / cam for nc milling engraving , the technology of cad / cam is researched , especially the design , implement and key technology of cad / cam . then , the design and development of the cad / cam system about nc milling engraving is discussed . finally , the open issues that need to be researched about ncad and manufacture is pointed out
本文围绕数控铣雕cad cam系统的设计开发，展开了对cad cam技术的研究，着重研究了cad cam系统的设计实现方法及关键技术，然后结合研究内容详细介绍了数控铣雕cad cam系统的具体设计与实现，最后对cad的发展方向网络cad和制造模式的发展趋势进行了总结。
In the last segment , the ncad and the manufacturing mode in the near future are investigated based on the trend of the cad and the manufacturing mode . the cscw which is an important technology for the ncad , the primary character and the trend of manufacture mode in 21s and the relation of them are researched
第三部分从cad及制造技术的发展趋势出发探讨了网络cad和21世纪的制造模式，对网络cad的重要技术计算机支持的协同工作( cscw )做了详细分析，探讨了各种制造模式的特点、相互关系及发展趋势。