Orthoimage September Year 19 970.5 m.

Mosaic of orthoimages obtained by rectification of aerial images, within the visible spectrum, on digital model derived from cartography 1:5,000.本数据集为正射影像（orthoimage）镶嵌图，由航空影像经正射纠正制作而成，覆盖可见光波段范围，且基于1:5000比例尺制图所生成的数字模型。