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本文首先简要介绍了开目钣金系统的功能，在此基础上，结合一些简例，着重分析讨论了系统实现三维设计及工艺展开的思想和方法，并对所涉及的原理和概念以及数据结构、算法进行了说明。
This article first briefly introduces the function of the open-core sheet metal system. On this basis, combining with some examples, we focus on analyzing and discussing the ideas and methods of the system to achieve the three-dimensional design and process unfolding, and discuss the principles and concepts involved and the data structure , Algorithm is described.