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The United States Set Out to Build a New Generation of Unmanned Drones SR-71

The United States Set Out to Build a New Generation of Unmanned Drones SR-71
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摘要 The unmanned SR-72 will use an engine that combines a turbine and a ramjet(冲压式喷气发动机)to reach its top speed of Mach 6-about 3,600mph(5,800km/h).Like its predecessor,the SR-72 will be designed for highaltitude surveillance but might also be fitted with weapons to strike targets.
出处 《科技传播》 2013年第22期15-15,共1页 Public Communication of Science & Technology
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