In order to make application development get rid of bottom hardware restriction, and to invoke hardware device through a general interface, device interface is defined in SCA system.
为了使应用的开发摆脱底层硬件的制约,使应用能通过一个统一的接口调用硬件设备,在SCA系统里定义了设备接口。
In the second place, it is undeniable that restriction on the number of tourists can make a difference.
第二,可以肯定的说限制旅客数量也会产生重大意义。
As a kind of forcible restriction, law is not omnipotence, but it can help to make up the market's limitation and create a more appropriate environment for the market.
作为一种带有强制力的约束,法律虽然不是万能的,但可以对信息差距进行规制、引导,弥补市场的缺陷,为市场运行创造良好的环境。
It puts forwards a new access control mode based on role and task to make access control more flexible. The formalized meaning, restriction and application in school grid are also presented.
分析了以上两种模型存在的问题,为了使访问控制更灵活,提出了一种基于角色和任务的访问控制模型,并给出了模型的形式化定义、授权约束和在校园网格中的应用。
It puts forwards a new access control mode based on role and task to make access control more flexible. The formalized meaning, restriction and application in school grid are also presented.
分析了以上两种模型存在的问题,为了使访问控制更灵活,提出了一种基于角色和任务的访问控制模型,并给出了模型的形式化定义、授权约束和在校园网格中的应用。
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