John McCurdy pilots Alexander Graham Bell「s experimental tetrahedral kite, the Cygnet III, which left the ground via powered flight in March 1912.
1912年3月,约翰·麦柯迪试驾亚历山大·格雷厄姆·贝尔的实验性四面体风筝,通过动力飞离地面的「小天鹅3号」。
It was as though Orville and Wilbur Wright had not just discovered powered flight but had built a plane with tray tables and a duty-free service.
那时赖特兄弟好像还没有发明动力引擎飞机,但用折叠餐桌和免税服务引擎的购物中心已经起飞。
The testing, which began in June 2007, put the MALD through a series of flight profiles including jettison and powered flight tests from both F-16 and B-52 aircraft.
这次测试开始于2007年6月,在飞行测试中,使用了F-16战斗机和B-52轰炸机作为载机,对MALD进行了各种飞行轨迹的测试,包括抛射和动力飞行测试。
In just over 100 years, we」ve gone from the first powered flight to a scramjet capable of Mach 6. Amazing.
过去短短的100年时间里,从人类第一台动力驱动的飞行器,到速度可达6马赫(6倍音速)的超音速燃烧沖压发动机。航空科技的发展成绩斐然。