回复:有哪位认识这飞机的么...=v=
根据以上全部得出了这句话……
In late 2004, Northrop Grumman proposed a YF-23 based design for the USAF's interim bomber requirement, a role for which the FB-22 and B-1R are also competing.
自X线之研究,而得鈤线;由鈤线之研究,而生电子说。由是而关于物质之观念,倏一震动,生大变象。最人涅伏,吐故纳新,败果既落,新葩欲吐,虽曰古篱夫人之伟功,而终当脱冠以谢十九世末之X线发见者林达根氏。