我原來上學時的係主任，我去時80歲，電力控製係統的泰鬥。以為很快會退休了。後來他到90多歲還在帶博士生。

來源: 光鹽行者於 2024-09-03 08:39:49 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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