英语词汇“perihelion distance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	perihelion distance
释义	perihelion distance perihelion distance The distance from the Sun to the perihelion of a body in an elliptical orbit, or from the focus of a parabolic trajectory around the Sun to the vertex.
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