包括用于测试访问控制要求的丰富功能集，例如用户的IP地址、时间和日期，或用户的名称是否出现在给定的列表中。
Includes a rich set of functions to test access control requirements, such as the user's IP address, time and date, or whether the user's name appears in a given list.
这里CPLD主要实现逻辑控制部分的作用，主要完成了采样脉冲产生、地址译码等功能。
We use the CPLD to realize some control circuits, such as address decoder circuits and generate the sample impulses.
MMU的功能是控制各种存储系统的工作并将虚地址转换成物理地址，以及控制存储器访问权限。
The functions of the MMU are to control the various memory systems, translate the virtual addresses into physical addresses and control the access permission.
首先，设计并实现一个具有地址解析、报文转发、差错控制及SNMP代理等基本功能的路由器。
First, a router with the basic ability of address resolving, datagram forwarding, error controlling and SNMP agency is designed and made.
首先，设计并实现一个具有地址解析、报文转发、差错控制及SNMP代理等基本功能的路由器。
First, a router with the basic ability of address resolving, datagram forwarding, error controlling and SNMP agency is designed and made.
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