“perihelion precession of Mercury”的概念、定义、翻译、参考文献-科学参考

单词	perihelion precession of Mercury
释义	perihelion precession of Mercury Encyclopedia 理学行星近日点进动释 perihelion precession of Mercury水星近日点进动水星绕太阳公转的轨道近似为椭圆形，其近日点位置在不停地变化的现象。 Astronomy perihelion precession of Mercury水星近日点进动
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