资源三号卫星是中国第一颗自主的民用高分辨率立体测绘卫星，通过立体观测，可以测制1∶5万比例尺地形图，为国土资源、农业、林业等领域提供服务，本文件夹含有前方后方交会，匹配等，内含图像(Three satellite is Chinese first autonomous civilian high-resolution stereo mapping satellites, through three-dimensional observation, can be measured in 1: 50