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本文结合SJ系列军事专家系统介绍了元级的种类、来源、表示方法和应用。元级的引入大大加强了系统的容错能力和通用性,提高了系统的性能。缩短了系统的开发周期。文中还提出了长期型和短期型元级概念。
This article introduces the types, sources, presentation methods and applications of meta-level based on the SJ military expert system. The introduction of the yuan level greatly enhanced the system’s fault tolerance and versatility and improved system performance. Shorten the system development cycle. The paper also proposed long-term and short-term meta-level concepts.