DNS 指的是域名系统，它是一个目录，将名称连接到数字互联网地址。
DNS refers to the Domain Name System, which is a directory that connects names to numerical Internet addresses.
DNS 指的是域名系统，它是一个目录，将名称连接到数字互联网地址。
DNS refers to the Domain Name System, which is a directory that connects names to numerical Internet addresses.
域名系统中的地址组织为树形结构。
Addresses within the domain name system are organized in a tree structure.
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