Research on spatial relation representation mainly includes spatial topological relation, spatial cardinal direction relation and spatial distance relation.
对空间关系表示的研究主要包括空间拓扑关系、空间方向关系、空间距离关系三大类空间关系表示的研究。
Research on spatial relation representation mainly includes spatial topological relation, spatial cardinal direction relation and spatial distance relation.
对空间关系表示的研究主要包括空间拓扑关系、空间方向关系、空间距离关系三大类空间关系表示的研究。
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