提出了系统可分决策层、管理层、业务层三个层次。
The system can be divided into three levels as decision-making, management and operation.
提出了一种采用树形层次结构的分布式网络安全系统管理模型。
A management model of distributed network security system with tree-like hierarchical structure was introduced.
本文采用分层次建模方法对制造信息资源集成化管理系统模型进行了研究。
The design of information resource network and application of management system in medicinal chain-business;
本文采用分层次建模方法对制造信息资源集成化管理系统模型进行了研究。
The design of information resource network and application of management system in medicinal chain-business;
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