drawing formation system的用法和样例：
例句
- After transformation of the data model and processing of the thematic mapping elements, the paper constructs a mapping system of the seabed sediment thematic digital map.
经过对数据模型的转换以及专题制图要素的处理，建立了海洋底质专题数字图成图系统。 - Along with the application of digital cartography in the field of Cartography, developing the system for digital mapping becomes inevitable.
随着数字地图制图技术的逐步成熟，有必要研制开发适合多比例尺数字矢量地形图生产的数字测图系统。
