还是体制，除了科举，其他都是奇技淫巧; 乾隆据说学过几何，但基本停留在业余兴趣，从未想过推广

来源: jinjiaodw 于 2023-11-29 21:23:28 [旧帖] [给我悄悄话] 本文已被阅读：次

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