! v- K6 \3 l" ]3 n% H0 H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。0 P! {; c) g& o! M
# l( L4 f' g+ {* K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”。 ; g! ~4 ?3 k! M; X/ x0 ?" ~+ D3 a( w
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Osama bin Laden dead: hi-tech secret may end up in China3 y" }: i) ^2 t" T0 S7 D
! h6 A, q1 v, S- jThere 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 p- D ?% P0 l' _+ j! [4 ]1 u$ S
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A spokesman for the American military said: “No operational details have been released about units or equipment.” 3 j# u: f% k* ?; R
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1. Silver finish makes it harder to detect on radar and by infrared sensors, V7 `% }, j; _/ I8 M4 s8 m/ K7 A
5 p+ \8 F) k4 ?2. Shape of tailboom has been altered and possibly enlarged to evade radar ; O, y8 b. P, J$ D" U; N* k( @! |* O
3. Pan-like cover or hubcap over the rear rotor head conceals exposed machinery which is more easily picked up on radar 1 G9 u: ^6 m9 w6 t0 \' P+ u3 O% J6 }, g' F) S2 z
4. Extra blades on tail rotor reduce noise and lessen typical chopper sound
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