易教授用無人機試驗，問題是無人機並沒有B21的隱身功能啊。那種試驗對偵測如B21這種隱身戰機沒有意義。

來源: 小倩2 於 2024-09-25 17:49:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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