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- This scheme describes the relation of role hierarchy with DAG androle's permissions withACM (Access control mask), solve key technology problems. 该方案采用有向无环图描述角色的继承关系，用访问控制掩码描述角色的权限，解决了基于角色访问控制在实现中的关键问题。
- Abstract:Based on the analysis of role permission and role hierarchy, an extended role-based access control(RBAC) model?ERBAC is put forward to mend the imperfections of the famous RBAC model. 摘要:针对传统的RBAC模型的不足,对角色权限及角色层次关系进行了分析,提出了一个改进的角色访问控制模型??ERBAC;
- collaboration-oriented inheritance with role hierarchy 面向协作的角色继承
- A Role Hierarchy Model for Role-Based Access Control and Its Application 扩充角色层次关系模型及其应用
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- The leading role is played by a complete unknown. 演主角的是一个毫无名气的演员。
- Am I really fitted for the role of director? 我真能胜任董事一职吗?
- She play a notable role in compile the book. 在编写这本书的过程中，她起了显著的作用。
- She sang the title role in Carmen. 她在歌剧《卡门》中演唱卡门这一角色。
- He was cast as Othello/cast in the role of Othello. 选派他扮演奥赛罗的角色。
- He played a passive role in the marriage. 他在婚姻中扮演了一个被动的角色。
- He's a natural for the role of Lear. 他是李尔王这一角色的理想人选。
- She played a minor role in the opera. 她在那出歌剧里扮演了一个小角色。
- Public transportation played a subsidiary role. 公共交通起辅助的作用。
- He denied any role in the robbery. 他否认曾参与这起抢劫案。
- A leader who assumes the role of a messiah. 充当救世主角色的领导人
- She acted as a minor role in the play. 她在剧中扮演了一个次要的角色。
- A person having a leading or starring role. 主要演员，主角担任领导或主要角色的人
- One's assigned role or function. 角色某人指定的角色或职务
- She acted out the role of a wronged lover to make him feel guilty. 她扮作受了冤枉的情人，好让他感到内疚。
