A node in the content model can carry meta data, represented with the com.ibm.portal.MetaData interface.

内容模型中的节点可以携带由com . ibm . portal . MetaData接口表示的元数据。

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We also analyzed the average queue delay of MAC layer by modeling the interface queue of each node with M/D/1 model.

然后用M/D/1排队模型对每个节点的MAC层队列建模，分析了MAC层队列的平均排队延迟。

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