( o, O5 }% [" p2 `6 i' P) @' e巴基斯坦和中国军方有良好的关系，而中国现在正在起步研发攻击直升机。中国又是逆向研发的专家，同时也有不少成功的前例。 % ]1 k+ o' ^( z9 l5 ]8 k 3 m* Y1 V5 t) k, A+ t9 k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 K$ ?- b% t1 q. F$ ?5 y& ^
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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”。) C# R0 v* I# W3 z
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4 n$ T: s: h+ \- ^' p9 w ; |! ^2 c2 q0 S( UOsama bin Laden dead: hi-tech secret may end up in China 4 T# m. R" }% p 4 V! k3 Y# k i1 _* Y, kThere 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. @, j6 r3 b; _1 d5 k8 a0 i
! q2 C4 W: a6 `$ W' v6 j8 n( SA spokesman for the American military said: “No operational details have been released about units or equipment.” 6 T6 i/ l/ `% t' `8 }4 W0 l) j . f" H4 o$ q" F& w & S O" M, h# n% d8 k3 R% f# a
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1. Silver finish makes it harder to detect on radar and by infrared sensors 3 _: [2 y0 d( }. p; v- V( }0 z+ q/ J% T6 D# a& }6 x& y# c
2. Shape of tailboom has been altered and possibly enlarged to evade radar ' |- F4 n% T5 Y0 J% |% d( v p# I- x+ d% ^9 Q' X
3. Pan-like cover or hubcap over the rear rotor head conceals exposed machinery which is more easily picked up on radar # I: F8 A" s K7 [/ L# W$ O6 Q1 J, m# P7 G' C
4. Extra blades on tail rotor reduce noise and lessen typical chopper sound
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