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美国里海大学(Lehigh University)的研究人员为高海拔永久飞行的无人机建造了一个不寻常的一体式碳纤维复合材料制成的机翼。这个6.5米(21.3英尺)长的机翼没有任何螺钉和胶接的接头。机械工程师约阿希姆Grenestedt和计算机科学家约翰Spletzer,把在大学复合材料实验室制造的机翼作为他们动
Researchers at Lehigh University in the United States built an unusual wing made of carbon fiber composite material for a UAV that is permanently flying at high altitudes. This 6.5 m (21.3 ft) long wing does not have any screws or glued joints. Mechanical engineer Joachim Grenestedt and computer scientist John Spletzer put the wings made at the University Composite Laboratory as their moving