This pattern structures applications into groups, where each group represents a particular level of abstraction.

这个模式将应用软件组织到小组中去，这时每个小组代表一个抽象的特殊层面。

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To avoid such recursive refinements, you should group reusable processes into several abstraction levels.

为了避免出现类似的递归细化，您应当把可重用的流程分为几个抽象级别。

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Logical volume management is a disk abstraction layer that allows you to group physical disks into a single entity called a volume group.

逻辑卷管理是一个磁盘抽象层，它可以将多个物理磁盘分组成称为卷组(volume group)的单一实体。

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Brennand and Whitendale Focus Group's John Wells said the programme would help solve "environmental problems caused by unsustainable abstraction, protecting water levels and improving habitats".

BBC: River Brennand