1. A "war/campaign/expedition veteran" is a veteran who served on active duty during a war or in a campaign or expedition for which a campaign badge has been authorized. “战争、战役、远征老兵”是指曾经在战争、战役或者远征中服过现役而获颁发退伍老兵徽章的人士。
2. In most geographic information systems, geometry rectification is one of the important matters to multi-source geographic information fusion accessorily. 而在大多数地理信息系统中，几何纠正是辅助多源信息融合应用必不可少的功能之一。
3. Environmental Geographic Information System (EGIS) is a specific subject research domain in geographic information system with its peculiar characteristic. 环境地理信息系统作为地理信息系统的一个专题研究领域有其独特性。
4. Digital Earth envisions the development of geographic information system in a networked environment, and is considered to be a model of the future geographic information system. 数字地球是网络环境下高效利用地理信息的一种设想，也是未来地理信息系统的模式之一。
5. This is the Geographic Information System courseware, geographic information systems for the beginners who have a good guide. 此为地理信息系统的课件，对于初学地理信息系统的人有很好的指导作用。
