“美國的原子物理專家都在忙著搞曼哈頓計劃” 知之為知之，不知為不知。不要誤導別人了。

來源: 馮墟於 2023-02-23 20:53:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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