那是肯定的。技术进步就是这样一步一步的，美国过去多少专利不就是针对这种产业上的难题嘛

来源: dakinglaile 于 2025-04-17 13:02:22 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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