However, RBAC and GRBAC are difficult to meet dynamic access control requirements because they are essentially established on the static subject-object view.
然而，RBAC和GRBAC本质上是建立在静态的主体-客体访问控制思想之上的，难以满足动态访问控制的要求。
However, RBAC and GRBAC are difficult to meet dynamic access control requirements because they are essentially established on the static subject-object view.
然而，RBAC和GRBAC本质上是建立在静态的主体-客体访问控制思想之上的，难以满足动态访问控制的要求。
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