A class is a concept in a domain.
类是域中的一个概念。
If you need a domain name, buy one.
如果需要域名就买一个。
Next you'll need a domain name.
下次你需要一个域名。
Create a domain with the mkdom command.
用mkdom命令创建一个域。
Principle 6: Produce a domain model
原则6：提出域模型
Produce a domain model for the case study.
为案例研究制作一个域模型。
The users that belong to a domain must be unique.
属于一个域的用户必须是惟一的。
If you do have a domain name, then get some more!
如果你已经有了一个域名，那么就再多弄些！
The BlogPost is a domain class specific to our system.
BlogPost是我们系统特定的一个领域类。
A domain controller promotion is currently active.
正在进行域控制器升级。
Always perform a domain level backup and restoration.
始终在域级别执行备份和恢复。
Stick to the same characters you'd use for a domain name.
坚持使用在域名中出现的相同字符。
A domain represents an important ease of use concept in SCA.
域代表了在SCA中重要的易用性概念。
Model – The model is a domain specific representation of data.
模型——模型是特定于领域的数据表现形式。
Top-level domain is the last part of a domain name address.
最高级域名是域名地址的最后一部分。
A domain can be a single organizational unit or an entire industry.
域可以是一个组织单元，也可以是整个企业。
Know the link between a web form input and a domain model property.
知道Web表单输入和域模型属性之间的联系。
How many segments is a domain name divided into? What are they?
一个域名分成多少部分？各部分是什么？
Each tag URI includes either a domain name or an E-mail address.
每个标签uri都包括域名或者电子邮件地址。
Register a domain name if you want people to find your website.
想要别人找到你的网址，就注册一个域名。
To explore or manage a domain, you first need a virDomainPtr object.
要探究或管理域，首先需要一个virDomainPtr对象。
A domain name is a unique mark on our website, we all know this.
域名是我们网站的唯一标记，这个大家都知道。
Now try to understand the concept of a domain and how it fits in here.
现在，试着理解领域的概念以及它在这里的作用。
Here is part of a domain class diagram for a deal capture application.
下面是一个交易描述应用程序的部分领域类图。
Cannot change the primary group ID of a domain controller account.
不能改变域控制器帐户的主要组id。
The next thing to do is to choose a domain name and get it hosted.
接下来需要做的是选择一个域名并获得它主办。
Host name a host name is a domain name assigned to a host computer.
主机名主机名是分配给主计算机的域名。
Host name a host name is a domain name assigned to a host computer.
主机名主机名是分配给主计算机的域名。
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