V 4符合J2EE 1.2基于安全性角色而不是方法组的授权模型。

V4 conforms to the J2EE 1.2 authorization model, which is based on security roles rather than method groups.

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安全性是更改的另一个主要方面，它体现在从WebSphere安全性授权模型到基于角色安全性的转变中。

Security is another major area of change with the transition from the WebSphere security authorization model to role-based security.

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本文提出了一种基于角色的授权管理模型和授权管理智能代理系统的实现方法。

This paper proposes an authorized management model based on the role a nd implementation of intelligent authorized management agent system.

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