Research of JL8 aircraft stall and spin flight test is described in this paper.
叙述了JL8飞机失速尾旋试飞状态、试飞方法和试飞结果。
There is talk that Lufthansa, which Citigroup reckons would in pieces be worth twice the parent company’s market value, may spin off its in-flight catering business.
据称，汉莎航空可能会剥离其航空餐饮业务，而花旗银行认为，汉莎航空拆分后的总市值将会达到母公司市值的两倍。
Study of the mechanism, prevention and recovering methods of stall and spin for supersonic fighter is a important means to improve battle ability and keep a safe flight.
研究超音速飞机失速和尾旋的机理预防和改出方法，是提高超音速战斗机作战能力和保障飞行安全的重要手段。
The path of discus flight and the effects of the throw velocity/angle, spin and wind conditions on discus flight are discussed in this paper, considering the aerodynamic force on the discus.
从铁饼在空气中飞行所受到的气动力出发，阐述铁饼飞行的轨迹和铁饼出手时的速度、角度、自转角速度和风作用对成绩的影响。
It was a decidedly adventurous undertaking, hardly guaranteed of success, and indeed Melvill had to pull the spacecraft out of a significant and unplanned spin toward the apex of the flight.
这是一个决定性的冒险事业，几乎没有成功的保证，而事实上梅尔维被迫让出一对航天器的飞行顶点重大和无计划的自旋。
Autumn wind swept the leaves have fallen, and some dancing like a butterfly, and some wings and taking flight as the warbler, as well as the image of light graceful dancer to spin.
秋风扫过，树叶纷纷落下，有的像蝴蝶翩翩起舞，有的像黄莺展翅飞翔，还有的像舞蹈演员那样轻盈盈地旋转。
This paper presents the methods of free flight spin test and rotation balance test in vertical wind tunnel, the design of test model is briefly expounded.
介绍了立式风洞自由飞尾旋试验和旋转天平试验的方法，简述了试验模型的设计。
The flight test method recommended in this paper can be used as a reference for providing other small single engine aircraft spin certification tests.
本文推荐的试飞方法可供其他小型民用飞机型号合格审定尾旋科目飞行试验借鉴。
The rockets are free-flight, spin-and-fin stabilized rockets, and do not have guidance systems.
火箭是无控-飞行、旋转-和-翼稳定火箭，而且没有制导系统。
Engineers are currently developing what Icon refers to as a "spin-resistant wing" which they plan to flight test later this summer.
目前工程师们正在着手研发“抗绞拧翼梁机翼”，他们计划在今年夏季晚些时候进行飞行测试。
Engineers are currently developing what Icon refers to as a "spin-resistant wing" which they plan to flight test later this summer.
目前工程师们正在着手研发“抗绞拧翼梁机翼”，他们计划在今年夏季晚些时候进行飞行测试。
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