当你跟在其他赛车后面的时候同时失去了空气动力影响，因此超车或甚至是接近前车都变得十分困难。
You lose the same aerodynamic effect when you are behind people and then you don't have the grip from the tyres. So it is very difficult to overtake or get even close to the people.
试验数据分析结果表明，不同客车前部造型对气动力影响非常显著，如通过改善造型可使空气阻力系数由0.7509降为0.5759。
The analysis of aerodynamic force data shows that differ front shape is very important to aerodynamic force. For example, coach model air drag coefficient can be lowed to 0.5759 from 0.7509.
也许主要的因素是赛车的空气动力学原因，我们应该着眼于减少空气动力学的影响，但这将是一个非常长期的过程。
Maybe because the main factor on these cars is the aerodynamics, we should look at reducing the aero effect, but that would be a very long term project.
具有讽刺意味的是，这种失去旋转的球，由于受到空气动力学方面的影响，会使球从正常的轨迹中发生偏离。
Ironically, that lack of spin on the ball causes its path to curve because of aerodynamics.
Bell指的是赛车内部一根能够传递空气的导管，它能够影响尾翼的空气动力情况从而在Sakhir赛道的两条大直道上提供额外的速度。
Bell was referring to an internal tube carrying air that can affect the aerodynamics of the rear wing and provide extra speed on the two long straights on the Sakhir track.
分析了高度及分离距离的变化对流场结构及气动力特性的影响。
The impact of altitudes and detachment distance on the structure of flow field and the aerodynamic properties is examined.
介绍了底排药剂成份对底排弹减阻增程气动力性能影响的实验结果。
The experimental results of the effect of base bleed propellant composition on the aerodynamic performance of drag reduction and range increase of base bleed projectile.
建模过程中除考虑了重力、气动力和推力外，还加入了地球自转的影响。
The dynamic model includes not only the gravity, the aerodynamic forces and the thrust, but also the influence of the earth rotation.
设计变量可包含复合材料结构的铺层方向角。广义气动力导数计及正交振动形态导数的影响。
The design variables include the ply orientations of composite material, and the derivatives of generalized aerodynamic forces involve normal modes derivatives.
通过野外实地调查和定位观测，系统研究了灌木林盖度和高度对地表风况及空气动力学参数的影响。
The impact of shrub coverage and height on surface wind and aerodynamic parameters is systematically studied through field study and fixed observation.
综合气动性能最佳的高速列车头部形状，可有效地降低空气动力学现象对列车运行和周围环境的影响。
The nose shapes of high-speed trains with optimal synthetic aerodynamic performance can efficiently reduce the influence of the aerodynamic phenomena on the train operation and the environment.
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。
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.
讨论了低雷诺数空气动力特性，包括分离气泡和展弦比的影响。
The aerodynamic characteristics of low Reynolds number, the influence of separation bubble and aspect ratio are discussed.
细长翼翼面上方的前缘集中涡是控制机翼绕流和影响机翼气动力特性的主要因素。
The leading edge vortices are important factor to control the flow field around the slender-wing and to influence the aerodynamic characteristics of the wing.
冷却风道采用吊装方式安装，避免了焊接对空气动力学牵引端受力的影响，保障了列车的安全运行。
By hoisting the cooling air duct are fully introduced and it avoids the effects of welding on the load of aerodynamics traction components, and guarantees the safe operation of trains.
结果表明：缆索风荷载对悬索桥静风效应的影响比较显著，但对于空气动力稳定性则没有影响。
It is shown that the cable wind load affects remarkably the aerostatics of long-span suspension Bridges, but its effect on the aerodynamic stability becomes negligible.
此外，作物残茬、秸秆和牧草等粗糙元的高度、密度及直立性均对下垫面的空气动力学粗糙度、摩阻速度及风速脉动有一定影响。
In addition, the height, density and perpendicularity of remnant stubble, straws and grass had influence on aerodynamic roughness and wind velocity fluctuation on different underlying surfaces.
深入探讨了自然风速分布和列车运行速度对磁悬浮列车横风气动力特性的影响。
The influences of natural wind speed distribution and train running speed on the aerodynamic characteristics of the maglev train under crosswinds are probed in details.
研究了在大迎角下，后掠翼对细长体绕流结构和气动力特性的影响。
The influence on flow structure and aerodynamic of a slender by sweep wing at high Angle of attack was studied.
在此基础上进一步就车身表面的附件和表面的凹槽对于局部气流、压力和对整车空气动力特性的影响进行了研究和分析。
Based on the research above, this paper also does some research on the influence on aerodynamic characteristics of accessories and grooves on body surface.
就简化的非定常气动力数学模型提出了分析气动弹性时飞行器稳定性的影响的方法。
With simplified unsteady aerodynamic force mathematical model, method of analysis for the effects of aeroelasticity on the dynamic stability of elastic vehicles is established.
汽车空气动力特性对汽车的动力性、经济性和操纵稳定性有直接的影响。
The vehicle's aerodynamic character directly affects the dynamic, economic and control stability characters.
结果表明，旋翼与机身之间的气动力干扰，主要是旋翼下洗尾流对机身气动力的影响。
The results show that the main aerodynamic effect between the rotor and fuselage is that of the rotor downwash on the fuselage aerodynamic loads.
而考虑空气动力特性对车辆行驶的影响，特别对操纵稳定性的影响尤其重要。
And the influence on vehicle driving stability is one of the important influences.
而后就简化的非定常气动力数学模型提出了分析气动弹性对飞行器稳定性影响的方法。
A method of analysis of the effect of aeroelasticity on the stability of elastic vehicles by using a simplified mathematical model of unsteady aerodynamic forces is proposed.
根据飞行控制要求，考虑了影响较大的气动力和气动力矩因素，建立了一个完全表征大机动情况下弹头运动的非线性动力学模型。
According to the demand of flight control system, a nonlinear dynamics model with considerable aerodynamic forces and moments for a large maneuver re entry missile head is built.
在强侧风作用下，作用于列车的气动力迅速增加，严重影响列车运行的稳定性。
The aerodynamic forces acting on trains increase greatly under strong cross-wind, which is closely associated with train stability.
因此，实际情况中要使飞机在斜板上起飞时达到最好的起飞性能，需要综合考虑飞机的气动力性能和斜板上翘角度的影响。
Therefore, if an airplane takes off on inclined plate and gets the best Take-off performance, the aerodynamic characteristic and up-warping Angle of inclined plate should be considered.
因此，实际情况中要使飞机在斜板上起飞时达到最好的起飞性能，需要综合考虑飞机的气动力性能和斜板上翘角度的影响。
Therefore, if an airplane takes off on inclined plate and gets the best Take-off performance, the aerodynamic characteristic and up-warping Angle of inclined plate should be considered.
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