誠摯的忠告啊

來源: 老書蟲於 2011-03-16 17:41:48 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 給業餘科學家們，尤其是業餘物理學家們由我心癢於 2011-03-02 19:43:19

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