当主管某个产品或产品领域的人希望从域获得服务时，他们生成一个请求并且两个组确定相互联系，创建服务层次协定。
When the people in charge of one product or product area want a service from a domain, they makes a request and the two groups determine the relationship, creating a service-level agreement.
互联网上的一些其它实际应用可能引发商标问题，如链接、构想和在域 名中使用商标。
Some Internet practices may raise trademark issues, such as metatagging, linking & framing, and using trademarks in domain names (see below).
在互联网上，公共域内的材料可自由下载、复制和重复使用。
On the Internet, material in the public domain can be freely downloaded, copied and reused.
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