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返回式遥感卫星是由仪器舱和回收舱组成的,质量为1.8×10~3kg～2.1×10~3kg 的精密卫星.仪器舱中装有遥感摄影相机和控制跟踪系统,相机的分辨率很高,在数百 km 的高空,它拍摄的每一张照片可以覆盖3×10~4km~2的地
The return-type remote sensing satellite is a precision satellite with a mass of 1.8×10~3kg to 2.1×10~3kg and is composed of an instrument cabin and a recovery cabin. The instrument cabin is equipped with a remote sensing camera and a control and tracking system. The resolution of the camera is very high. At a height of several hundred kilometers, each photograph it takes can cover 3×10~4km~2 of land.