A hierarchical system planning scheme is presented based on the hierarchical case-based planning for solving the requirement decomposition of complicated knowledge based system.
针对复杂知识系统的需求分解问题，设计了基于层次案例规划的系统层次规划求解方法。
Based on theoretical researches and case studies, this paper elaborates procedures and Outlines for pedestrian system planning on three hierarchical levels.
采用理论研究与案例分析相结合的方法，从三个层面阐述了步行系统的规划方法和规划要点。
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