The sail has high aerodynamic efficiency, safety, stability and flexibility.
本实用新型气动效率高，安全、稳定、灵活。
Gliding distance is an imperfect measure of an airliner's aerodynamic efficiency, since it is not designed for gliding.
其实滑翔距离并不能作为客机气动效率的评价手段，因为这不是它的设计初衷。
In addition, a number of control parameters are selected to study their impact on aerodynamic efficiency and pneumatic power.
此外，还选取若干个控制参数，研究其对气动效率和气动功率的影响。
The aerodynamic efficiency is compared with bi objective optimization airfoil's, to identify the advantage of adaptive airfoil.
为验证自适应翼型增益的效果，计算了双目标优化翼型的气动特性。
The influence of airfoil's leading and trailing flaps' deflection location on aerodynamic efficiency is also discussed primarily.
初步探讨了二维翼型前、后缘襟翼的偏转位置对气动效率的影响。
Roof racks increase the car's weight and reduce aerodynamic efficiency, which increases the amount of fuel burnt to power the car.
行李架增加车子的重量，降低空气动力学功效，那会增加车辆燃烧的燃料量。
An optimization method is used to obtain deflection Angle of control surface and the aerodynamic efficiency of airfoil is calculated.
用数值优化方法取得自适应翼型最优的舵面偏角，并计算其气动特性。
The two curved sections emerging from the roof give the vehicle an original appearance and contribute greatly to its aerodynamic efficiency.
两个弧形路段摆脱车顶给车辆一个原貌，并大大有助于其气动效率。
Numerical results of symmetric arc airfoil and NACA65A006 airfoil show that aerodynamic efficiency of adaptive airfoil is better than that of bi objective optimization airfoil.
本文计算了对称圆弧翼型和NACA 6 5 A0 0 6翼型。 计算结果表明，自适应翼型比双目标优化的翼型有更好的气动特性。
Add in the new lightweight materials, integrated electronics, aerodynamic advances, and right there is a technology road map that increases fuel efficiency.
再加上新型轻质材料、集成电子技术和空气动力学方面的进步，我们已经可以看到提高燃油效率有效技术途径。
NREL wind turbine airfoil can better meet the requirements of the aerodynamic performance than the traditional airfoils, and the airfoil has a high energy conversion efficiency.
NREL风力机专用翼型较传统翼型更能满足气动性能的要求，并且翼型具有较高的能量转换效率。
In order to improve the efficiency and accuracy of the numerical calculation for the aerodynamic design of winglets, an optimization method based on multi-level response surfaces is proposed.
为了提高数值计算效率和准确性，提出了基于多级响应面法的确定翼梢小翼气动外形参数的一种优化方法。
The fan has a good aerodynamic performance, smooth operation, high efficiency, long life characteristics, a total of A, B, C, D four kinds of structures.
该风机具有良好的气动性能、运转平稳、振动小、效率高、寿命长等特点，共有A、B、C、D四种结构。
The analytical results indicate that the control surface efficiency analyzed based on nonlinear experimental aerodynamic forces and linear theoretical aerodynamic forces are different.
研究表明：使用非线性试验气动力和线性理论气动力所分析得到的舵面效率具有较大的差别；
To increase the efficiency of the multidisciplinary optimization of aircraft, an aerodynamic approximation model is improved.
在比值修正模型所构造的气动近似模型的基础上，引入了基于实例的推理技术对其加以改进。
To increase the efficiency of the multidisciplinary optimization of aircraft, an aerodynamic approximation model is improved.
在比值修正模型所构造的气动近似模型的基础上，引入了基于实例的推理技术对其加以改进。
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