The fundamental goal of this paper is to build the Knowledge Base System of road network which is able to describe the real road network and provide support for route planning based on this model.
本课题的研究目标就是建立一种能描述真实世界道路网，且能对基于这种模型的行车路线规划提供良好支持的道路网知识库系统。
Afterwards, the goal, structure and function of PSSEDSS are analyzed and the data base, model base, knowledge base necessary for decision-making are set up as following.
接着对泵站机组启停决策支持系统的目标、结构和功能做了分析，建立了决策所需要的数据库、模型库和知识库。
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