月球南极地形这张合成图像描绘了月球崎岖的南极地区，是月球南极迄今最高解析度的地形图。
This composite image depicts the moon's rugged south polar region and is the highest resolution topography map to date of the moon's South Pole.
针对深海地形崎岖不平、车轮打滑、周围能见度低等复杂的工作环境，本文提出了一种基于从动轮的航位推算定位方法。
Taking into account the complex working environment: uneven physiognomy of deep-sea, wheel's skid, low surrounding visibility and so on, I bring forward the dead reckoning based on the driven wheel.
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