去不去沒關係；不過，費曼（Richard Feynman）在加州理工有一個物理學的係列講座，網上有視頻，值得一看。

來源: 法眼於 2025-11-28 08:53:10 [舊帖] [給我悄悄話] 本文已被閱讀：次

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