没有谁的技术永远不会被追上，西方如此，中国也如此。闭关锁国，固步自封，缺乏危机感的被追上的更快

来源: 21-C 于 2024-11-24 08:09:51 [旧帖] [给我悄悄话] 本文已被阅读：次

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