There are different types of relationships that can be expressed on the units contained in a topology, and these are represented as link types.

还有些不同类型的关系可以在这个拓扑所包含的单元上进行表达，并且它们被看作是连接类型。

youdao

These built-in link relations are designed to cover the most common and generic types of links expected to be used with feeds.

这些内建的链接关系是为提要(feed)中可能使用的最常见、最一般的链接类型设计的。

youdao

User agents, search engines, etc. may interpret these link types in a variety of ways. For example, user agents may provide access to linked documents through a navigation bar.

用户代理、搜索引擎等等可能会对这些链接类型进行不同方式的解读。例如：用户代理可能会通过导览条提供对链接文档的访问机制。

youdao

These referred to ways to establishing a secure communication link between different types of computers using a protocol referred to as TARP (Tunneled Agile Routing Protocol).

BBC: Apple loses Facetime patent lawsuit to VirnetX