此外，了角色和职责也必须被定义和实施，并且识别出决策制定规则及能力。
Additionally, roles and responsibilities are defined and filled, and decision-making rules and powers are identified.
为了给这个协议进行建模，我们需要指定生产者及用户角色，他们的责任，以及交流的协议或者规则。
To model this protocol, we need to specify the producer and user roles, their responsibilities, and the protocol or rules for how they interact.
这个技能包含角色、地位管理及规则和礼仪上的礼节的步骤。
Role and status management as well as rule and procedure etiquette concerning formality are involved in this skill.
使用这些转换规则及形式化描述方法可以清晰地描述角色间的约束关系，有助于设计者实现角色的分配及组合。
It can well describe the role constraints using these transformation rules and formalization description methods, and helps to implement role assignment and composition.
基于对RBAC模型及相关模型中角色继承规则，引入权限组等概念，提出了一个改进的角色与权限层次关系模型。
Based on the RBAC model and related role inheritance rules, concepts such as permission group and an improved role hierarchy and permission hierarchy model are introduced.
基于对RBAC模型及相关模型中角色继承规则，引入权限组等概念，提出了一个改进的角色与权限层次关系模型。
Based on the RBAC model and related role inheritance rules, concepts such as permission group and an improved role hierarchy and permission hierarchy model are introduced.
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