Based on a common base of the base map, many GISs were then developed, such as for cadastral management, sewage management, AM/FM systems from the utility companies, environmental assessments, etc.

• 当时的许多GIS技术就是在基本地图的共同基础上得以发展的，比如地籍管理、水道管理、公共事业公司的AM/FM系统、环境评估等等。