那个叫做Mini-SAR的雷达，通过向月表发射左旋极化电磁脉冲来测定月球的表面粗糙度。
The radar, called the Mini-SAR, sends pulses of left-polarized radio waves out to measure the surface roughness of the moon.
那个叫做Mini-SAR的雷达，通过向月表发射左旋极化电磁脉冲来测定月球的表面粗糙度。
The radar, called the Mini-SAR, sends pulses of left-polarized radio waves out to measure the surface roughness of the moon.
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