显示节点状态的一个状态多维数据集(可以根据一条规则从系统多维数据集中加以引用)。
A status cube displaying the node state (it can be referenced from the system cube by a rule).
这些对象引用多维数据集模型中使用的事实、维、层次结构和级对象，它们与多维数据集模型中的这些对象是相似的。
These objects reference the facts, dimension, hierarchy, and level objects that are used in the cube model, and they are similar to these objects in the cube model.
这种方法要求联邦系统首先从远程数据源获取由谓词引用的数据的一个超集，然后通过谓词在本地对其进行过滤。
This approach requires the federated system to retrieve a superset of the data referenced by the predicate from the remote data source, and then filter it locally against the predicate.
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