再給您個提示，密閉車廂裏x和t也是不變的。和光速最大裏不同坐標看一個event，設置不一樣。

來源: 露重煙微於 2024-10-29 22:21:00 [舊帖] [給我悄悄話] 本文已被閱讀：次

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