多维数据集模型让信息消费者能够从一个新的视角理解数据。

A cube model provides a new perspective for the information consumers from which to understand their data.

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访问层（Access Layer）向信息消费者提供了什么呢？

The Access Layer provides the Information Consumers?

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对特殊消息感兴趣的信息消费者可以使用代理通过订阅一系列的主题登记注册他们所感兴趣的内容。

Information consumers that have an interest in particular messages register their interest with the broker by subscribing to a set of topics.

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