security_and_access_control_system

1.These actions can be security configuration changes, key and certificate management, access control policy changes, bus and other system resources management, and so on.
这些操作可以是安全配置更改、密钥和证书管理、访问控制策略更改、总线和其他系统资源管理等等。
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2.The system must provide security and control access to those functions based on permissions.
系统必须提供安全性，并根据相应的权限控制对这些功能的访问。
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3.By using access control matrix, we can achieve the real time and dynamic control of task, which ensures the system security.
通过引入访问控制矩阵，实现了对任务的实时、动态的控制，从而确保了系统的安全。
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