在此基础上，对具体域中表达的空间拓扑关系进行符号化表示，用描述逻辑的形式表达空间关系。
On this basis, the thesis put forward the symbolic expressing of the topological relationships which are in the concrete domain and use description logic to express the spatial relationships.
在此基础上，对具体域中表达的空间拓扑关系进行符号化表示，用描述逻辑的形式表达空间关系。
On this basis, the thesis put forward the symbolic expressing of the topological relationships which are in the concrete domain and use description logic to express the spatial relationships.
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