Elevation Points - Section I

Elevation Points - Section I, last updated in 2026. Part of A through R, divided by concession blocks across the municipal extents. Often used for 3D modelling. UTM Co-ordinates, with height Z-values in Metres.高程点（Elevation Points）——第一部分，于2026年完成更新。本数据集隶属于A至R系列，按特许区块划分并覆盖全市域管辖范围，常用于三维建模。其采用通用横轴墨卡托（UTM）坐标系，Z轴高度值单位为米。