With data organization strategy based on multi-state model, node data model of manufacturing model data management is proposed.
采用基于多态模型的数据组织策略，建立了制造模型数据管理的节点数据对象模型；
Presented is a model for the multi region and variable node PWR core.
建立了多区变节点压水堆堆芯的数学物理模型。
The article analyzes the traffic rule of modern city road exhaustively, it discusses the defect of single-line model and designs double-line, multi-node road model which applies ton…
本文详细分析了现代城市路口的通行规则，论述了单线模型的缺陷，设计了适用于导航的双线多结点道路模型。
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