通过构建P 2p群组的协同设计模式，实现了基于设计约束集的数据更新一致性控制机制。
By constructing the collaborative design model of P2P groups, we realized the consistency control mechanism of data update on the basis of design constraints sets.
关于面向经营过程的虚拟企业协同运作，给出了一种运作总体框架，提出了一种虚拟企业协同运作控制机制。
As for the business process oriented virtual enterprise operation, we provide its global framework and detail the control mechanism of the cooperative operation of virtual enterprises.
为了保证在网络化的协同企业建模系统中对模型的安全访问，需要建立一套有效的访问控制机制。
To guarantee access security in network collaborative enterprise modeling systems, establishing access control function is in demand.
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