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The truth is probably somewhere between those extremes, especially if the J-20 has F-117 DNA.
事实的真相可能介于两者之间，特别是J - 20带有F - 117的影子。
youdao
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Officially, the F-117 was obsolete.
从官方来说，F- 117已经过时。
youdao
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Officially, the F-117 was obsolete.
从官方来说，F- 117已经过时。
youdao