GIS更有意义的在于用户可以根据需要建立一个应用分析的模式，通过动态的分析，从而为评价、管理和决策服务。
What is a GIS?
A GIS is a computer system capable of capturing, storing, analyzing, and displaying geographically referenced information; that is, data identified according to location. Practitioners also define a GIS as including the procedures, operating personnel, and spatial data that go into the system.
