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给出了快速成形技术的定义，介绍了各种由2．5维和3维层片构造原型的快速成形工艺。分析了快速成形技术的内涵和相关技术，对快速成形技术与数控加工技术进行了比较。讨论了它的应用领域及应用方法，介绍了这一技术的国内外发展状况。根据需求决定发展的思想，探讨了快速成形技术的发展方向。
The definition of rapid prototyping technology is given. Various prototyping rapid prototyping processes are introduced in this paper. The connotation and related technologies of rapid prototyping technology are analyzed, and the rapid prototyping technology and numerical control technology are compared. Discusses its application field and application method, introduces the development of this technology both at home and abroad. According to the demand to decide on the development of ideas, discusses the rapid prototyping technology development.