$ O5 k, T ]. U; a0 S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。9 F' c2 A/ k' x
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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”。8 ? K" |1 X' {1 ]
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Osama bin Laden dead: hi-tech secret may end up in China3 }8 L; u6 C* [
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There 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.7 G6 o; M: X, h( p+ b
9 d% [) |$ I( i5 G, ]- G, ]A spokesman for the American military said: “No operational details have been released about units or equipment.” . L/ d+ ~9 P& B3 y) i' R% J7 B& j6 e6 Z
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1. Silver finish makes it harder to detect on radar and by infrared sensors ! e: y6 ^& n1 R , K( o' m% n% j- T( }9 v0 J2. Shape of tailboom has been altered and possibly enlarged to evade radar* s) z! N6 s6 P ^& b" l, I) l4 I
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3. Pan-like cover or hubcap over the rear rotor head conceals exposed machinery which is more easily picked up on radar; N/ x, p4 ~1 V2 Z* b
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4. Extra blades on tail rotor reduce noise and lessen typical chopper sound