有兩個二體問題。一個以太陽為一體，地球和月亮的質量中心為一體。另一個是地球和月亮的相對運動。從真實的三體問題裏，

來源: 蔣聞銘於 2026-02-19 14:59:46 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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