古代农耕文明为什么打不赢游牧文明；现代陆地文明为什么打不赢海洋文明，值得一篇博士论文来研究之！

来源: 郭大平于 2025-02-03 10:03:08 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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