SAGE系统采用来自国家地理空间情报局的国土安全基础设施计划的地理空间数据。
SAGE USES geospatial data from the National geospatial Intelligence Agency's Homeland Security Infrastructure Program.
尽管网络空间依赖于个别国家的数字基础设施，但是这些基础设施是全球互联的，确保它们的安全需要全球合作。
While cyberspace relies on the digital infrastructure of individual countries, such infrastructure is globally connected, and securing it requires global cooperation.
空间数据库是国家基础设施的重要组成部分。
Spatial Database is one of the important part in national spatial infrastructure.
应用推荐