A novel method for designing and implementing database safe access control in a statistic management system is proposed on the basis of analyzing RBAC model.
通过分析r BAC模型结构，提出并设计实现了统计管理系统中数据库安全访问控制的新方法。
The management is optimized to ensure safe navigation and prevent ocean from pollution, and the method of the system engineering is used to establish a model of modern Marine engineering management.
通过管理优化保证航行安全和防止海洋污染，并运用系统工程方法探讨现代轮机管理系统的建模。
And OBAC model is also closer to actual business. Analysis of the model proved it. Application in power production management system shows this model is safe and flexible.
以电力系统生产管理系统为例进行了分析，表明该模型具有较高的安全性和灵活性。
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