通过制定一个知识点属性的通用存储结构；建立基于知识点的领域知识的树状层次结构和知识点间联系的支撑网络结构，即领域知识结构模型。
By designing a serial of common structures to store knowledge points' attributes, we established a cascade tree structure and a supporting network model to store domain knowledge.
该模型在概念的层次上刻画学科领域的知识结构及知识之间的关系，解决了知识动态分类的问题。
This model depicts the knowledge structure and the relationship between knowledge in the conceptual level. It solves the problem of dynamic categorization of knowledge.
结果证明，这种本体建模方法和形式化表达机制，能够较好表达应急领域的知识结构，是可行的。
It proved that the method of ontology modeling and formal representation mechanism can better express the knowledge structure of emergency field. It is available.
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