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自1972年以来,从空间对地球资源的遥感几乎仅靠陆地卫星1号和2号上的小型多谱扫描仪和从天空实验室得到的有限数据,目前正在发展更宽的光谱领域.这是新技术
Since 1972, the remote sensing of Earth’s resources from space has been based solely on small multispectral scanners on Landsat 1 and 2 and limited data available from Skylab, and is undergoing a broader field of spectroscopy. new technology