Return a single instance of an aggregation object.

返回聚合对象的单一实例。

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A volume group is an aggregation of physical volumes.

卷组是物理卷的集合。

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An aggregation component is a data warehousing component.

聚合组件(aggregation component)是一种数据存储组件。

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That is to say, each word is an aggregation of terms (see below).

FORBES: How The Apple vs Samsung Litigation Hurts Apple

My numbers are taken from an aggregation of polls, both online and by telephone, conducted by JZ Analytics between January and June of 2012.

FORBES: ZOGBY: Demographics and the Election of 2012: The "Marriage Gap"

InsideView uses an aggregation of open source and proprietary technology for search and natural language processing to track social media related to the sales process.

FORBES: JargonSpy