?所涉主题如下
...electronic imaging; georeferencing of objects in the field, on maps and on satellite imagery; Earth resources and environmental satellites and remote sensing for land degradation studies 所涉主题如下:电磁辐射;地球表面各种物质的反射特性和基本光学;电子成像;实地、地图和卫星图像中的地球参照物;地球资源和环境卫星;和遥感用于土...