2 d coordinate 二维坐标
Regarded as the traditional 2-d coordinate measuring system, omnipotence tool microscope has the most extensive application in the geometry measurement.
万能工具显微镜作为传统的二维坐标测量系统，在几何测量中具有最为广泛的应用。
The coordinate system, for 2-d graphics, is shown in Figure 2.
2 - D图形的坐标系如图2所示。
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.
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。
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