The systems which are based on GIS technology have a lot of map data generally.
在基于GIS技术的应用系统中，都有海量的地理底图数据。
GIS is a more mature application software technology has been widely used in many fields.
GIS是一项较为成熟的应用软件技术，已被广泛应用于多个领域。
Component GIS is the tidal current of the software technology.
组件式GIS软件技术已经成为当今软件技术的潮流之一。
Component GIS is the tidal current of the software technology.
组件式GIS软件技术已经成为当今软件技术的潮流之一。
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