它符合目前多变的企业人员结构和组织结构，结合细粒度的权限划分和充分的授权约束，进一步对传统RBAC做出了扩展，满足动态访问控制的要求。
Its fits the dynamic employee and organization structure. The model extends the traditional RBAC by incorporating thin granular permissions control and enough Constrains in authorization.
它符合目前多变的企业人员结构和组织结构，结合细粒度的权限划分和充分的授权约束，进一步对传统RBAC做出了扩展，满足动态访问控制的要求。
Its fits the dynamic employee and organization structure. The model extends the traditional RBAC by incorporating thin granular permissions control and enough Constrains in authorization.
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