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1)  two-level access control
两级访问控制
2)  hierarchical access control
分级访问控制
1.
Considering the inefficiency of the current CAS, a novel key distribution algorithm based on hierarchical channel was put forward, in which hierarchical access control technology is used to distribute the authorization keys of channels while Chinese remainder theorem is adopted to distribute group keys to subscribers.
其中,分级访问控制技术被用来分配频道的授权密钥,而中国剩余定理被用来为用户分配组密钥。
2.
This paper proposed a new key distribution algorithm based on hierarchical access control for conditional access system in digital television broadcast.
提出一种应用于数字电视广播中有条件接收系统的基于分级访问控制的密钥分配算法。
3)  page-level security control
页面级访问控制
4)  field-level security control
属性级访问控制
5)  access control grade
访问控制等级
1.
Introducing the reputation grade, classifications and access control grade, a new information flow model on P2P based on trust and security grade was described, with the security classification achieved by access control grade, and with the information flow role described by access control grade of two objects.
通过引入信誉等级、密级、访问控制等级等概念,利用访问控制等级划分安全类,以两个客体的访问控制等级描述信息流策略,由此得到基于信任和安全等级的P2P信息流模型。
6)  Serial Double-separation Access Control(SDAC) method
串接-两分离访问控制法
1.
Based on ideas of optimizing rules and load balance of multi-equipment,the approach of Serial Double-separation Access Control(SDAC) method is put forward.
基于优化规则、多设备分担负载的思想,提出IP编组与访问控制分离、管理与优化分离的串接-两分离访问控制法,设计了相应的双防火墙串接设备部署方案和超越应用的规则编组优化方案。
补充资料:两位控制器
分子式:
CAS号:

性质:具有两位作用的控制器。依据偏差值的极性(正、负),控制器的输出取高值或低值。当这两个值使执行器分别达到开和关的位置时,亦称通断(或开关)控制器。两位控制器通常结构简单,价值低廉,但会使被控变量产生持续不衰减的振荡。

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