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。
If you know it, try using the website's numerical address rather than its verbose URL (Universal Resource Locator) name. That can sometimes halve the response time.
你可以尝试使用某网站的数字地址，而不是它的网址(统一资源定位器)名称登录网站，你会发现反应时间会减少一半。
It still used an underlying system of numerical designations, but allowed you to reach a computer by name as well.
新方案仍然使用数字番号的基本系统，但是，还允许按名联络计算机。
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