; _: Y0 \" ^4 h4 ?! W2 J报道还说,中国研制的隐形战斗机和美国最先进的F22新颖战斗机有许多类似之处。$ `! @1 n% S e; ?+ k
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美军发言人则对此表示“不对外公布有关本次执行任务之单位以及使用装备等细节”。7 u5 c: c, ]8 M
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Osama bin Laden dead: hi-tech secret may end up in China $ @( S. r# u; o n( o0 V ; i& } s* h8 R. w+ D: @ Z/ VThere are growing fears that top-secret stealth technology taken from the helicopter that crashed during the raid on the home of Osama bin Laden could be smuggled into China and cause a diplomatic row. 1 z3 i% f5 T- }1 m" W! k- |8 }. B% ]. [; O
A spokesman for the American military said: “No operational details have been released about units or equipment.” 3 n& A0 P& i3 U 8 j: ~9 `/ U0 y& y$ g i ! w2 G! c2 Z& N' o) X, b) ? . h. }( `4 F) i+ G" O& p ! t4 v% J/ i0 a. `. G5 ]8 A8 ]% B0 F- n" Y' @: [7 @ 6 h+ d, W! l! f# v4 Z
1. Silver finish makes it harder to detect on radar and by infrared sensors S8 q U F- N. K, H7 @4 @6 e) t% V5 i) X4 X5 h
2. Shape of tailboom has been altered and possibly enlarged to evade radar * H" Y- F5 J% G# u5 W* k7 _* T4 ^* X- k2 `
3. Pan-like cover or hubcap over the rear rotor head conceals exposed machinery which is more easily picked up on radar 6 d4 a8 Y9 a! d; F % @! N5 N. @( p6 j6 V2 G4. Extra blades on tail rotor reduce noise and lessen typical chopper sound