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Continue to ChatFAA為在美國本土開展超音速飛行測試亮起了綠燈 https://blog.wongcw.com/2021/01/11/faa%e7%82%ba%e5%9c%a8%e7%be%8e%e5%9c%8b%e6%9c%ac%e5%9c%9f%e9%96%8b%e5%b1%95%e8%b6%85%e9%9f%b3%e9%80%9f%e9%a3%9b%e8%a1%8c%e6%b8%ac%e8%a9%a6%e4%ba%ae%e8%b5%b7%e4%ba%86%e7%b6%a0%e7%87%88/