·2,447,543篇论文数据，部分数据来源于NoteExpress
简言之，矢量数据利用最简单的拓扑实体—点、线和多边形，并在二维笛卡尔坐标系统中固定它们来描述地理特征。
In short, vector data take the simplest topological entities — points, lines, and polygons — and anchor them within a 2-d Cartesian coordinate system to describe geographical features.
youdao
应用推荐
模块上移
模块下移
不移动