In security controlling, RBAC model pays attention to role dealing.

在安全控制方面，rbac模型把主要工作放到角色处理上。

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Role is separated from authority layer, bring whole model getting simple and easy in system design and flexibility in security controlling, this is the most outstanding characteristic of RBAC model;

角色和权限逐层分离，带来整个模型系统设计的简易性和安全控制的灵活性，这是RBAC 模型最突出的特点；

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Back in its infancy, the most important capabilities provided were for the setting up of security levels and for controlling Settings for key areas.

在早期，它提供的最重要的功能是设置安全级别和控制一些关键领域的设置。

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"What is necessary in this case is a collective effort, not only by the researchers and the people on the ground, but also the donor community, because controlling those two diseases can go a long way in improving people's food security and livelihoods in Sub-Saharan Africa."

VOA: special.2009.09.21

In no respect is this more true than in this legislation's determination to give wholesale discretion to the Department of Commerce vis-a-vis the Defense Department and the Intelligence Community in controlling national security export controls.

CENTERFORSECURITYPOLICY: United States Senate
Washington, DC 20510

The Gejdenson draft contains twenty-two sections, most of which effect a complete rewrite of the procedures and standards used in controlling goods and technology for national security reasons.

CENTERFORSECURITYPOLICY: Introduction

In Shiraz, where campuses have already reopened, the security forces are tightly controlling them, with circulars telling students not to undertake unauthorised political activities.

ECONOMIST: Iran's dissenting students