控制律设计和计算机模拟的飞机空气动力学扰动的鲁棒性控制法增加。
The control law design and computer simulation for an aircraft with aerodynamic perturbation demonstrate that the robustness of the control law is increased.
有趣的是，这些流体动力学的适应性变化和人类为了改进高速飞机在空气动力学方面的设计特点十分相似。
Interestingly enough, several of these hydrodynamic adaptations resemble features designed to improve the aerodynamics of high-speed aircraft.
现代的飞机设计做得很好，但立足于燃料效率来看，飞机是否能设计得更符合空气动力学——降低阻力还是增加动力？
The modern airplane design works well, but from a fuel efficiency standpoint, could planes be designed more aerodynamically — to lower drag and increase lift?
然而，它们的用途一直被限制于一些项目，如改善汽车身体、飞机机身与羽翼的空气动力学的外形，直到最近才有了新的内容。
Until recently, however, their use has been confined to projects such as refining the aerodynamic profiles of car bodies, aircraft fuselages and wings.
制造更符合空气动力学的飞机，并用更有效的方式来运营飞机——例如减少空中交通控制而产生的延误，这些方法可以为这些节省做出大约三分之二的贡献。
Building more aerodynamic aircraft and operating them more efficiently (by reducing air-traffic-control delays, for instance) could produce about two-thirds of those savings.
我们只是还不知道怎么在航行的空气动力学方面，对飞机实现需要的控制。
We do not yet know how to achieve the desired control during the aerodynamic phase of flight.
飞机的超音速和空气动力学完成将空气压缩入引擎的任务。
Its supersonic speeds and aerodynamics do the job, compressing the air into the engine.
通过更加符合空气动力学的形状和一个曲线尾巴的飞机结构，这些发动机将使飞行更有效率，同时会将绝大部分的噪音传向空气上方。
With a more aerodynamic shape and framed by a curved tail plane, these engines would make for a more streamlined aircraft, as well as directing most of their noise upward.
空气动力学性能是否能在飞机的尺寸和速度上按比例放大，则是另外一件事情。
And whether any aerodynamic effects could scale appropriately for aircraft sizes and speeds is another matter.
的确鸟儿尾巴一样的飞机尾部改善了空气动力学性能，缓解了机体和机翼的阻力，同时还大大的增加了向上的力，缓释了由于飞机本身和货物重量而产生的向下的力。
But it was a birdlike tail that really amped up the aerodynamics, dampening the drag from the body and wings, as well as boosting the lift that lags under vehicle weight and cargo load.
为了使飞机的空气动力学性能达到最好，他们对典型的飞机设计再组合后，得出了一个让人眼前一亮的初步的答案：飞机应该看起来更像鸟儿。
After reconfiguring the typical plane design in order to maximize the plane's aerodynamics, they came up with a brilliantly basic answer: Airplanes should look more like birds.
至于模仿飞鸟飞行来改善飞机的空气动力学性能，Usherwood也不是完全有信心，但是他也并没有排除这种可能性。
As for imitating avian anatomy to amplify airplane aerodynamics, Usherwood isn't wholly convinced - but he doesn't rule out the possibility, either.
雷电精致光鲜的外壳使用了钛金属和蓝宝石，按照空气动力学原理制造。这个设计来源于Maximilianbusser童年时对组装模型飞机的热情爱好。
The sleek aerodynamic form of the Thunderbolt's titanium and sapphire envelope has its roots in Maximilian busser's childhood passion for assembling model plane kits.
然而，Darpa表示，在以17到22倍音速飞行的状态下，飞机还是回传了139秒的空气动力学数据。
However, the flight still managed to return 139 seconds of aerodynamic data at a velocity between 17 and 22 times the speed of sound, Darpa said.
波音公司希望飞机与众不同的外观，以及它的空气动力学，将使其成为一个与运营商的打击。
Boeing hopes the distinctive look of the plane, as well as its aerodynamics, will make it a hit with carriers.
仅仅作为消费者和生产者，我们对经济的了解还只是皮毛。这就如同我们常乘坐飞机，但并不会因此成为空气动力学专家。
We learn little about the economy by being consumers and producers, just as we do not become expert in aerodynamics as plane passengers.
基于对飞机模型在不同姿态下进行的空气动力学测试，文中设计了用于低速风洞的变角度系统。
Based on the aerodynamic test of plane models under different positions, the variable Angle system used in low-speed wind tunnels is designed in this paper.
本文概述最初阶段利用风洞试验数据应用模糊逻辑研究飞机大攻角空气动力学的情况。
In this paper, the initial stage in application of fuzzy logic to aircraft high-Angle-of attack aerodynamics using wind tunnel test data is outlined.
课程包括物理，空气动力学，冶金学，飞机推进学及相关科目。
Courses include physics, aerodynamics, metallurgy, jet propulsion, and related subjects.
课程包括物理，空气动力学，冶金学，飞机推进学及相关科目。
Courses include physics, aerodynamics, metallurgy, jet propulsion, and related subjects.
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