To best participate in the global spatial data infrastructure community, developing countries should first develop a national spatial data infrastructure (NSDI) which can then be merged with the regional and global models.
为最佳地参与全球空间数据基础设施合作，发展中国家首先应当建设能够与区域和全球模式相融合的国家空间数据基础设施(NSDI)。