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基于地理信息系统（ＧＩＳ）在卫星回收科学试验中的应用，利用属性数据、地理关系运算及空间拓扑关系三种方式解决了卫星落点与救援位置间的道路优化问题。
Based on the application of geographic information system (GIS) in scientific research of satellite recovery, the road optimization problem between the satellite landing site and the rescue location is solved by three ways: attribute data, geo-relational operation and spatial topological relationship.