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The robot may face to North, South, East or West during the movement.
这个机器人可能面临北，南，东或西运动期间。
youdao
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The instant polar movement has backward movement (from east to west).
瞬时极移存在反向运动(由东向西)。
youdao
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The instant polar movement has backward movement (from east to west).
瞬时极移存在反向运动(由东向西)。
youdao