数据链接用来引用数据库之外存储的对象。

Datalink is used to reference an object stored external to a database.

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被劫车辆装有能为控制中心提供数据链接的远程遥测系统。

The vehicle is fitted with a telemetry system that provides a data link to a control centre.

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层1和层2分别是物理层和数据链接层，通过以太网实现。

Layers 1 and 2 are the physical and data link layers, respectively, fulfilled by the Ethernet network.

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For those perhaps familiar with some of the jargon do we introduce what we call link lists and hash tables and tries, increasingly sophisticated data structures, that allow us to solve problems that are much bigger and much more interesting than the very familiar one that we started with here.

那些对编程的术语较熟悉的同学,我们会教授,链接列表，哈希表，以及日益复杂的数据结构,以便帮助我们解决其他的,比现在所学的更大也更有趣的问题。

哈佛公开课 - 计算机科学课程节选