帆时，正确地调整，将产生气动升力。
The sails, when correctly adjusted, will generate aerodynamic lift.
为了保持飞行速度，产生一定的气动升力，鸟类用三种办法来克服空气阻力。
In order to keep the flying speed, produce certain aerodynamic lift, the birds overcome the air resistance with three kinds of methods.
采用流场数值模拟计算方法，计算了横风作用时的垂向气动升力系数、气动横向力系数和侧滚力矩系数，得出各系数与车辆速度和风速之间的变化关系。
Using numerical computation of fluid flow, the coefficients of vertical force, lateral force and rolling moment caused by cross-wind were calculated, which were related to train speed and wind speed.
在空气动力学上，升力是重量，推力和阻力(空气阻力)的相关的函数。
In aerodynamic terms, lift is a function of weight, thrust and drag (air resistance).
由于地处高海拔地区，气压较低，因而作用在球上的阻力及升力所产生的空气动力效应也会发生相应反应，最终导致球在空中飞行速度比在低海拔地区快，飞行的路线也更直。
At altitude, the air pressure is lower, and so are aerodynamic effects such as drag and lift, ultimately causing balls to travel faster and straighter than they would at lower altitude.
在空气稀薄的平流层中，如何产生升力是一个问题。这种飞艇通过氢气浮力和空气动力制造升力的设计看上去能够解决这个难题。
Lift is a problem in the rarefied air of the stratosphere, and it seems such a design can help.
浮空器从周围空气的浮力而不是从空气动力获得提升力的航空器，特指气球或飞船。
An aircraft, especially a balloon or dirigible, deriving its lift from the buoyancy of surrounding air rather than from aerodynamic motion.
对新款车的前后区域均进行了空气动力学微调，这样做旨在确保最大限度地平衡前后轴的升力系数。
The aerodynamic fine tuning in the front and rear areas is designed to guarantee an optimum balance in the lift coefficients at the front and rear axles.
标枪的气动阻力、升力随迎角增加而增加。
The aerodynamic drag and lift of javelin increase with angle of attack.
考虑了不同飞行攻角、不同燃料流率下气动参数，包括升力系数、阻力系数和俯仰力矩系数的变化规律。
The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when Angle of attack and fuel flow rate is changed.
可以用它来计算亚音速时弹性飞机的升力分布及11个主要的纵向气动导数。
This method can be used to evaluate the lift distribution and 11 main longitudinal aerodynamic derivatives of elastic aircraft at subsonic speeds.
为了优化无人驾驶航空飞行器在整个飞行过程中的空气动力特性而使机身、推进系统和升力控制面一体化的设计技术。
Design technology for integration of air vehicle fuselage, propulsion system and lifting control surfaces to optimize aerodynamic performance throughout the flight regime of an unmanned air vehicle.
文章重点研究了较高振幅振动柱的锁定现象、波动升力与柱位移之间的相位变化，讨论了方柱涡激振荡、驰振和气动稳定性问题。
This study aims at investigating the lock-in phenomenon, fluctuating lift and the phase shift between fluctuating lift and displacement of the oscillating cylinder.
基于附着流状态下的旋翼非定常翼型气动模型，给出了计算该状态下的翼型非定常升力、阻力和俯仰力矩的数值计算方法。
A numerical method is given to calculate the unsteady lift, pitching moment and drag acting on an airfoil of rotors under attached-flow conditions in a compressible flow.
运用空气动力学原理，对标枪的纵轴旋转与压强阻力、偏向力、上升力及稳定性的关系进行分析研究，以更好地指导运动训练的实践。
The paper elaborates on the relations between the revolve of Javelin and pressure resistance, deflection force, ascensus force as well as stability.
由此气动设计程羊、TAU程序以及相应的接口程序建立了跨音速多升力面气动反设计软件系统。
Using the improved inverse aerodynamic design code, TAU code and interface codes, the transonic multi-lifting aerodynamic design software system is founded.
在颤振特性分析中所需要的广义气动力是根据亚音速非定常升力面理论，采用马蹄涡—振荡压力偶极子格网法计算的。
The generalized aerodynamic force required in analysis is calculated by using horse shoe vortex— vibrational pressure doublet grid method, based on theory of subsonic unsteady lifting plane.
具有任意曲线前缘的亚音速升力面的气动敏感性导数由核函数法给出。
Aerodynamic sensitivity for subsonic lifting-surface with arbitrary curved leading edge is evaluated by kernal function method.
将高速滑体制成相似的机翼模型，进行风洞试验，即可测定滑坡凌空飞行的空气动力学参数，从而计算大型高速滑坡凌空飞行的空气动力升力、飞行速度和飞行距离等。
If we make a wing model which is similar to sliding mass, we can determine aerodynamic parameters by the wind tunnel testing and thus calculate the lift.
基于扇翼机的飞行原理，提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率，进而实现垂直升降的方法。
Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.
能估算可压缩无粘流中，基本空气动力外形的升力和阻力。
Calculate the lift and drag over simple aerodynamic shapes in compressible, inviscid flows.
从外挂对载机气动特性影响的计算方法出发，分析了现役某型战机外挂ZC-1航空侦察吊舱对载机升力系数、阻力系数和气动中心的影响，得出了具体的计算结果。
This paper has analyzed and calculated the influence of external ZC-1 scout equipment on the lift coefficient, damp coefficient and aerodynamic center of the fighter plane.
本文对联接翼气动布局的直接升力控制特性进行了初步的探索。
The basic modes of direct lift control are analyzed in this paper.
基于桨叶二阶升力线理论和旋翼自由尾迹模型，本文在第三章建立了一个适合于直升机旋翼尾迹结构及桨-涡干扰气动特性分析的方法和模型。
In Chapter 3, based upon the blade second-order lifting-line model and rotor free-wake model, an analytical method is developed for predicting the rotor wake structure and BVI airload.
介绍了用于拍动翼的非定常空气动力特性和高升力机理。
The unsteady aerodynamics and the unsteady high-lift mechanisms applied in flapping wings are introduced.
启合式扑翼发明属航空飞行器空气动力学领域。可解决旋转翼和固定翼航空飞行器的正交方向阻力超升力增加的问题。
The present invention relates to flyer and aerodynamics and can solve the problem that the resistance in orthogonal direction increases faster than lift in rotary wing and fixed wing flyer.
昆虫通过高频扇翅可以产生很大的升力，相关的非定常空气动力学机理及理论逐渐被人们所认识。
Until recently, it has become clear that unsteady mechanism, including high frequency flapping, is necessary for insects to produce enough lift and to keep themselves aloft.
使用压电驱动器控制翼面变形，利用而不是抵抗气动弹性效应可以控制升力、力矩以及它们的分布。
Controlling wing deformation by means of piezoelectric actuators, the control method can control lift, moments and their distribution by utilizing the aeroelastic effect rather than resisting it.
使用压电驱动器控制翼面变形，利用而不是抵抗气动弹性效应可以控制升力、力矩以及它们的分布。
Controlling wing deformation by means of piezoelectric actuators, the control method can control lift, moments and their distribution by utilizing the aeroelastic effect rather than resisting it.
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