近两百年来，中国一直想引进技术。真正能够吸收先进技术了，比如六十年代，现在，就遭到技术封锁。

来源: easycity 于 2023-06-15 06:01:32 [旧帖] [给我悄悄话] 本文已被阅读：次

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