名词
中文翻译：空间运动
同义词：
['space movement', 'space motion']
例句：
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1.The spacecraft is traveling at a speed of approximately 20,000 miles per hour.
宇宙飞船以大约每小时20,000英里的速度飞行。
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2. The astronauts are conducting experiments to study the effects of space motion on human health.
宇航员们正在进行实验，研究太空运动对人类健康的影响。
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3.The space motion has been observed by numerous satellites orbiting the Earth.
许多绕地球运行的卫星已经观察到了太空运动。