有了教训，然后文明得以更大发展。螺旋上升是必然趋势。如果三战核战爆发，剩余下来的人必然启动更高层次文明

来源: frontiers 于 2026-01-20 21:06:12 [旧帖] [给我悄悄话] 本文已被阅读：次

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