虚拟制造技术是多个学科领域知识的综合集成与应用。

Virtual manufacturing technique is the application and integration of the knowledge of various subjects.

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虚拟装配是虚拟制造的关键技术之一，它能有效支持自顶向下的并行产品设计以及与主模型相关的可制造性设计和可装配性设计，以缩短产品开发的周期。

As well as the manufacturing possibility design and assembling possibility design correlated with the master model, which will greatly reduce the products research and development period.

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论述了有关虚拟制造的研究意义，介绍了相关的理论与技术的研究现状及虚拟制造的研究范畴。

The significance of the research work, the state-of-the-art for the related theory and technology and the research scope about virtual manufacturing (VM) have been introduced in this paper firstly.

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