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SR-71 Blackbird

机译：SR-71黑鸟

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The legendary SR-71 Blackbird, a Mach 3 aircraft, was a masterpiece of visionary engineering translated into history's most advanced air-breathing system. It was an exotic reconnaissance aircraft. Even now, no other aircraft has come close to matchinh its performance, beauty, and operational efficiency. The Blackbird-so named for its deep blue, almost black, heat-deflecting paint scheme-was designed at Lockheed's "Skunk Works" by arguably the industry's most talented engineering team. Late 1950s design studies backed by the CIA led to a larger single-seat progenitor, the A-12. USAF specified a two-man crew, resulting in the SR-71. Drag-induced surface heat of more than 1,000 degrees Fahrenheit at Mach 3 sparked a revolution in design. More than 90 percent of the Blackbird's structure was titanium alloy, the rest composite materials. The Skunk Works also developed special hydraulic fluids, lubricants, and sealants. Special inlets allowed a Mach 3 cruise speed while air flowed into the turbojets at subsonic speeds. Created before the advent of modern computer-aided design, the SR-71 marked the acme of US aeronautical engineering.
机译：传奇的SR-71黑鸟飞机（Mach 3）是远见卓识的杰作，被翻译成历史上最先进的呼吸系统。那是一架奇特的侦察机。即使到现在，也没有其他飞机能够与它的性能，美观性和运营效率相提并论。黑鸟（Blackbird）以其深蓝色，几乎是黑色的，能偏转热量的涂料方案而得名，它是由洛克希德公司的“臭鼬工厂”设计的，可以说是业界最有才华的工程团队。 1950年代末期，由中央情报局（CIA）支持的设计研究导致了更大的单座祖先A-12。美国空军指定了两名人员组成的SR-71。在3马赫速度下，由阻力引起的表面热量超过1,000华氏度，引发了设计革命。黑鸟90％以上的结构是钛合金，其余为复合材料。臭鼬工厂还开发了特殊的液压油，润滑剂和密封剂。特殊的进气口允许3马赫的巡航速度，同时空气以亚音速进入涡轮喷气发动机。 SR-71创建于现代计算机辅助设计出现之前，标志着美国航空工程的鼎盛时期。

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