1目录前言...........................................................61.时空数据治理发展概述.........................................81.1内涵.....................................................81.1.1时空数据定义与特征.................................81.1.2数据治理的内涵.....................................81.1.3时空数据治理的定义................................101.1.4时空数据治理的重要意义............................111.2政策....................................................121.2.1国家顶层规划......................................121.2.2地方省市政策......................................151.3市场....................................................171.3.1...