... atomic rocket engine || 原子火箭发动机 atomic rotation || 原子旋转，原子旋光度 atomic scale || 原子尺度 ...
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... arc of rotation 旋转弧; 转动弧 arrested rotation 转位不全 atomic rotation 原子旋转 ...
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·2,447,543篇论文数据，部分数据来源于NoteExpress
Over a few decades this would amount to a minute's difference, but over several hundred years this would mean the atomic clock time-scale and the time-scale based on the Earth's rotation would be out by an hour.
BBC: Changes to the world's time scale debated
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