常見例句雙語例句Research on spatial relation representation mainly includes spatial topological relation, spatial cardinal direction relation and spatial distance relation.對空間關系表示的研究主要包括空間拓撲關系、空間方曏關系、空間距離關系三大類空間關系表示的研究。Based upon the fundamental concepts in rough set theory, this paper proposes rough set models to represent the uncertainties in position, attribute and topological relation of spatial objects.在此基礎上,運用粗集理論中的一些基本概唸和方法來系統(tǒng)地描述和表達空間目標位置數(shù)據(jù)、屬性數(shù)據(jù)以及空間關系數(shù)據(jù)的不確定性,旨在建立一種多粒度的不確定性分析和表達方法。 返回 spatial topological relation