DNS causes obstruction of these openings due to nasal obstruction.

DNS 会由于鼻塞导致这些开口的阻塞。

Deep in its architecture are computers known as domain name system (DNS) servers.

网络架构的底层是一种叫做域名系统（domain name system，DNS）服务器的计算机系统。

Some races like Caucasians have more incidence of DNS.

像白种人这样的种族患 DNS 的几率更高。

Some families have more incidence of DNS.

部分家庭 DNS 发病率较高。

Causes of DNS There are 4 important causes: Number one is trauma.

鼻中隔偏曲的原因有 4 个重要原因：第一是外伤。

The domain name system (DNS) controls how internet addresses work, but not what a website or database contains.

域名系统（DNS）控制互联网地址的工作，但不是一个网站或数据库包含的。

A domain name system, or DNS, is like a phone book organizing the internet locations of each website.

域名系统(DNS)就像一本电话簿，记录着每个网站在互联网上的位置。

Problems arise when it is not dividing it symmetrically, leading to a condition known as DNS or Deviated Nasal Septum.

如果不对称分隔，就会出现问题，导致鼻中隔偏曲。

Types of DNS: 1. Anterior dislocation: The nasal septum is dislocated into one of the nasal chambers.

DNS 的类型：1. 前脱位：鼻中隔脱位进入其中一个鼻室。

This is exactly what happens when you, for example, do a DNS Lookup, or request a webpage.

例如，当您执行 DNS 查找或请求网页时，就会发生这种情况。

And it's called the Domain Name System, or DNS for short.

它被称为域名系统，简称 DNS。

That's because that site doesn't exist, so DNS couldn't give your browser an address.

那是因为该站点不存在，所以 DNS 无法为您的浏览器提供地址。

For this reason, this data is distributed across many DNS servers, which are authorities for different parts of the tree.

出于这个原因，这些数据分布在许多 DNS 服务器上，这些服务器是树的不同部分的权威。

Like we discussed last episode, when you request a site, the first thing your computer does is a DNS lookup.

就像我们上一集讨论的那样，当您请求一个站点时，您的计算机所做的第一件事就是进行 DNS 查找。

But, if DNS returns a valid address, which it should for " youtube.com" , then your browser shoots off a request over TCP for the website's data.

但是，如果 DNS 返回一个有效地址，它应该是“youtube.com”，那么您的浏览器会通过 TCP 发出对网站数据的请求。

Instead of working with multiple vendors to maintain your online presence, you are able to manage all of your domain and billing settings with Squarespace, and take advantage of their easy-to-use DNS interface.

而不是与多个供应商合作 保持您的在线状态，您可以管理您的所有域名和结算设置 使用Squarespace，并利用他们的易于使用的DNS界面。

When you type something like " youtube.com" into your web browser, it goes and asks a DNS server – usually one provided by your ISP – to lookup the address.

当您在网络浏览器中输入类似“ youtube.com”的内容时，它会要求DNS服务器（通常由ISP提供）查找地址。

In fact, if you try mashing your keyboard, adding " .com" , and then hit enter in your browser, you'll likely be presented with an error that says DNS failed.

事实上，如果您尝试敲击键盘，添加“.com”，然后在浏览器中按下回车键，您很可能会看到 DNS 失败的错误。

There's over 300 million registered domain names, so to make that DNS Lookup a little more manageable, it's not stored as one gigantically long list, but rather in a tree data structure.

有超过 3 亿个注册域名，因此为了使 DNS 查找更易于管理，它没有存储为一个巨大的长列表，而是存储在树状数据结构中。

M is for middle ear infection: DNS also predisposes to middle ear infection because Eustachian tube which is the only drainage source of middle ear, opens in nasopharynx and DNS can cause its obstruction and resulting in middle ear infections.

M 是中耳感染：DNS 患者更倾向于患中耳感染，咽鼓管是中耳唯一的引流源，在鼻咽部打开，DNS 可引起咽鼓管阻塞，导致中耳感染。