利用对象的继承特性引入细粒度权限管理的概念，把资源的控制从菜单粒度分解到原子操作粒度。
Introducing the idea about finely granular access control through Inherit attributes of object, decomposes the access privilege from menu to atom control.
本文提出了结合密码技术，基于授权管理的安全电子邮件方案，对电子邮件进行细粒度权限控制，实现电子邮件的安全管理。
This paper proposes a new scheme for security E-mail based on authentication management which gives fine-grained approaches to E-mails limit control to implement security management of E-mail.
管理控制台 (GUI) 还不支持这些更细粒度的权限。
The administration console (GUI) does not yet support these more granular permissions.
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