When the policy changes, the subsystems change its own access control policy by Administrative Commands, then make the RBAC Administration in Distributed systems consistent.
当策略发生改变后，模型中各子系统根据管理指令进行自身的策略改变，使整个分布式系统中的RBAC访问控制策略达到一致。
When the policy changes, the subsystems change its own access control policy by Administrative Commands, then make the RBAC Administration in Distributed systems consistent.
当策略发生改变后，模型中各子系统根据管理指令进行自身的策略改变，使整个分布式系统中的RBAC访问控制策略达到一致。
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