An improved role hierarchy model is introduced against the drawback of RBAC96; some new concepts such as public permission, private permission and scope of inheritance are presented in the model.

提出了一种改进的角色层次模型用于改善RBAC96，并提出一些新的概念，比如：公有权限、私有权限和继承范围。

youdao

Permission to run a nuclear plant is a public trust.

允许使用核能源是公众的信任。

youdao

Must not have public read, write, or execute permission (i.e., 0770).

禁止拥有公共的读、写或执行权限(即0770)。

youdao

Also,because it is illegal to paint public and private property without permission, street artists usually work secretly.

VOA: special.2009.04.08

But routes can be used by the public with the permission of the landowner.

BBC: NEWS | UK | Wales | South West Wales | Village campaign secures woodland

In law, a "duty of confidentiality" prevented complaints about registered suppliers being made public without their permission, he added.

BBC: Warning over 'hidden' pre-school complaints

Nevertheless, women in Saudi Arabia cannot travel, work, study abroad, marry, get divorced or gain admittance to a public hospital without permission from a male guardian.

WSJ: 'Wadjda' prompts women's rights talk at Tribeca