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Aperture

机译：光圈

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Any day now, the Air Force will award the Long-Range Strike Bomber contract, worth well in excess of $50 billion. Two industry teams-a Boeing-led partnership, including Lockheed Martin, and another led by Northrop Grumman-are competing for the work. The choice could well shape the military aviation landscape in the US for decades to come. The teams are technically well-matched. Both have styled themselves as the bomber company. Boeing makes that claim based on its history with the B-17 and B-29 in World War Ⅱ, the B-47 in the Korean War era, and the B-52 from the 1950s on, as well as its experience with the B-1, built by its "heritage" company, Rockwell International. Northrop Grumman built the B-2, the most recent American bomber, and the only one built with stealth technology as its driving design feature. Given that the B-52, B-1, and B-2 are all serving today, each with a robust program of upgrades in the pipeline, both teams can claim to be the "incumbent."
机译：如今，空军将授予“远程打击轰炸机”合同，总价值超过500亿美元。由波音领导的合伙企业（包括洛克希德·马丁公司）和诺斯罗普·格鲁曼公司（Northrop Grumman）领导的两个行业团队正在竞标。这种选择很可能在未来几十年内影响美国的军用航空格局。这些团队在技术上非常匹配。他们俩都把自己称为轰炸机公司。波音公司根据其在第二次世界大战中的B-17和B-29历史，在朝鲜战争时期的B-47历史以及1950年代以来的B-52历史以及其在B -1，由其“遗产”公司Rockwell International建造。诺斯罗普·格鲁曼公司制造了B-2型轰炸机，这是美国最新的轰炸机，也是唯一一架以隐形技术为驱动设计特征的轰炸机。鉴于B-52，B-1和B-2都在今天服役，并且每个项目都有完善的升级计划，因此这两个团队都可以说是“任职者”。

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