但是这类注册系统只要有一个就行了，而且幸运的是，已经存在一个几乎每个使用计算机的人都参与的注册系统：域名系统。

However, you don't need more than one such registry — and fortunately, a registry already exists that almost everybody with a computer participates in: the domain name system.

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ICANN的汉字准入声明发表之前，就已经允许阿拉伯语进入域名系统，而其它的非欧洲书写系统也有望跟进。

The ICANN announcement follows an earlier decision to allow Arabic domain names, and other non-European writing systems are expected to follow.

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QEMU提供自身的动态主机配置协议(DHCP)和域名系统(DNS)服务器用于客户操作系统本身。

QEMU provides its own Dynamic Host Configuration Protocol (DHCP) and Domain Name system (DNS) servers for the benefit of the guest operating system alone.

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