名词
中文翻译：Unknown
同义词：
['perihelion motion', 'perihelion motions', 'perihelion motions']
例句：
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1. The perihelion motion of the planet Mercury is a fascinating subject for astronomers.
水星的日食运动是天文学家们感兴趣的一个迷人主题。
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2. This perihelion motion will cause significant changes in the solar system.
这个日食运动将导致太阳系发生重大变化。
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3. The perihelion motion of the satellite has been studied extensively by scientists.
卫星的日食运动已被科学家广泛研究。