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美国未来的重型轰炸机具有超级隐身能力,能在空气上冲浪,时速可达6000公里以上,几小时之内就能到达全球任何地点打击任何目标。
The future U.S. heavy bomber has a super-stealth ability to surf the air at speeds of up to 6,000 kilometers per hour and hit any destination anywhere in the world in just a few hours.