Satellite photography and radar are techniques commonly used for remote sensing.
遥感通常使用的技术有卫星摄影和雷达技术。
Satellite image, one of the products from remote sensing techniques, reflects light radiance of any object at numerous ranges of electromagnetic spectrum.
人造卫星图片是遥感技术下其中一个产物，它主要是用作反映物件在不同电磁光谱范围的光线放射情况。
Further, it is one of the key techniques for both satellite remote sensing and sea explorations.
此外，视频压缩技术也是卫星遥感和海洋勘探方面目前面临的关键技术。
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