In D1LP-R, a role encapsulates some rights, different roles can be organized as a role tree, and the rights of each role contain all of its sub-roles.

在D1LP R中，一个角色对应一些访问权限，不同的角色形成一个角色树，树中一个结点对应的权限包含它的所有子结点对应的权限。

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Solving authorization problems with system based on role and introducing concept of sub-role to solve problem of complex privileges and roles in NMS.

使用基于角色的系统解决了系统的授权问题，并且引入子角色的概念，解决了综合网管系统中角色和权限复杂繁多、不易分配的问题；

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The security-role-ref element should be declared in the deployment descriptor with a role-name sub-element containing the role name to be passed to the method.

应该在部署描述符中声明security - role - ref元素，其子元素role - name包含了传递给方法的角色名。

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For a start, credit rating agencies' own credibility hasn't recovered - perhaps it never will - from their role in the sub-prime fiasco.

BBC: Sterling steadies after loss of UK AAA credit rating

Prior to the subprime crisis, Goldman played a major role in persuading the large debt ratings agencies to upgrade a significant amount of sub-prime mortgages to prime, which were then packaged and sold them as prime.

FORBES: In Goldman Sachs We Do Not Trust

The 38-year-old had been filling the role on a temporary basis but helped England to their first major series win on the sub-continent for 20 years.

BBC: Gibson takes England bowling role