Cooperative pattern design is one of the typical applications of Computer Supported cooperative Work (CSCW), and the concurrent accesses and controls of cooperative data are the central problem.

图案的协同设计是计算机支持的协同工作的一个典型的应用，对数据的并发访问控制是其中心问题。

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The ship design process model is basic for developing the concurrent a nd cooperative ship design system.

船舶设计过程模型是在网络环境下开展船舶并行和协同设计系统的基础。

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The system composition, frame model, running model and system reality of the network-based and concurrent engineering-oriented spiral bevel gear cooperative design system are discussed in this paper.

论文讨论了基于网络面向并行工程的螺旋锥齿轮协同设计系统的体系结构、框架模型、运行模式和系统实现，并就其中涉及到的主要关键技术进行了分析。

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