单词：quiet short-haul research aircraft (qsra)
单词：quiet short-haul research aircraft (qsra) 相关文章
CDC is afraid is afraid to fund firearms research. David Hemenway, professor of health policy at the Harvard T.H. Chan School of Public Health. Twenty years ago they were doing a tiny amount of funding for firearms research, $2.6 million a year, $2.6
2017年Scientific American(二)月
[00:01.56]In 1892, brothers Orville and Wilbur Wright [00:05.32]opened a bicycle-repair company. [00:07.68]The brothers were specialists in this area, [00:10.05]but they were more interested [00:11.26]in something else-aircraft. [00:13.79]The brother
北师大版高中英语模块7(选修)
Flying Robots Are Coming to US Universities Flying devices, called drones, may be one of the most important technologies of the future. The number of jobs for people who know how to design, build and control them is increasing. Because of this increa
2016年VOA慢速英语(一)月
By Kane Farabaugh New York, New York 20 March 2007 watch Farabaugh report It is the largest passenger aircraft ever built. With a capacity to hold up to 550 passengers, and with better fuel efficiency than other airliners, the Airbus A380 made a his
2007年VOA标准英语（三月）
PARIS, Aug. 19 (Xinhua) -- Marine scientists and representatives from the private sector and military establishments would meet at UNESCO at the end of this month to measure noise's impact on marine life, the Paris-based UN scientific branch UNESCO s
英语新闻
civil aviation 民用航空 plane, aircraft, airplane 飞机 airliner 班机 airline 航空公司 jet, supersonic plane 喷气机 airliner, passenger aircraft 客机 long-range aircraft, long-haul aircraft 远程飞机 medium-haul aircraft 中程飞机
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