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- The flight condition of an aircraft in a nose-down, spiraling, stalled descent. 翻滚:指飞机一种冲降、旋转、螺旋形下降的飞行状态。
- A new method to estimate Doppler centroid and Doppler rate applicable to real flight condition is proposed. 该方法设置飞机速率和脉冲重复频率比为常数，保证方位向接收信号均匀空间取样，使用实时最小二乘拟合算法。
- Examples of this type of control include formation flying, instrument flight, and landing. 这类操纵的例子包括编队飞行，仪表飞行和着陆。
- A civil aircraft performing instrument flight shall observe instrument flight rules. 进行仪表飞行的民用航空器,应当遵守仪表飞行规则。
- Flight 2811 was operated on an instrument flight rules flight plan conducted under 14 CFR Part 121. 2811航班动手术一仪器航班规章航班计划在14 CFR 121部分下进行。
- State whether the operation proposed is day or night, visual flight rules, instrument flight rules, or a particular combination thereof. 说明所计划的运行是在昼间还是在夜间实施,是目视飞行规则还是仪表飞行规则,或上述情况的特定组合。
- What is your flight condition? 飞行情况如何?
- In most flight conditions it is desired to maintain the sideslip angle equal to zero. 大多数飞行状态都要求保持侧滑角等于零。
- Of or relating to aerodynamic flow or flight conditions at speeds close to the speed of sound. 超音速的速度接近音速时的气流或飞行状况的、或与之有关的。
- Serious bumpy flight conditions may lead to material fatigue and even to aircraft failure, not to speak of passenger discomfort. 剧烈的颠簸飞行状况可能导致金属疲劳，甚至导致飞机失事，更不必说旅客感觉不舒适了。
- The science of gases in equilibrium and of the equilibrium of balloons or aircraft under changing atmospheric flight conditions. 空气静力学关于平衡状态下气体以及不断变化的大气飞行条件下的气球或航空器平衡状态的科学
- uncontrolled flight condition emergency 失去控制的紧急情况
- Instrument Flight Procedure Design Certificate 仪表飞行程序设计证书
- The tests simulated actual flight conditions,providing valuable information to optimize vehicle stability and airpressure distribution. 测试模拟了真实的飞行状况，提供（大量）有价值的数据以优化飞行稳定性和空气阻力分配。
- Instrument Flight Instructors School 仪表飞行教官学校
- Instrument Flight Training Division 仪表飞行训练处
- As a upper air environment simulated system, computer is used to make the temperature and the pressure change correlatively, so as to simulate the vary flight conditions. 该系统是一个高空环境的温度、压力等参数作 相关变化，以模拟飞机在高空的各种飞行状态。
- Simulated Instrument Flight Rules 模拟仪表飞行规程
- The stethoscope is a medical instrument. 听诊器是一种医疗器械。
- United States Army Forces Instrument Flight Center 美国陆军仪表飞行中心
