# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Access Control | 门禁

A type of security system that restricts access to authorized users at certain times allowing for different access levels can be granted to different users.

 

一种安保系统，在特定时间内限制授权用户通行，以允许给不同用户给予不同等级的通行

 

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