Then the concepts of collaborative digital pre-assembly techniques are presented.

在此基础上，阐述协同数字化预装配技术的概念。

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The cooperative virtual assembly is a kind of pre assembly for product in digital mode by network, and a basis of agile design and manufacture.

协同虚拟装配是借助于网络对产品进行数字化预装配，它是敏捷化设计与制造的基础。

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