KnowledgeTree知识树knowledgen.学问；了解；知识；认识；知道knowledge verification知识验证knowledge imperfection知识的不完备性knowledge based system[计] 基于知识的系统Knowledge Visilization知识可视化knowledge rating scale知识评定量表knowledge centeredness知识中心主义knowledge architecture知识构建Knowledge and behavior知识与行为knowledge partitioning知识分割knowledge base manager知识库管理者