弦—从机翼前缘到尾缘的距离。
这些面砖敷贴在用耐高温材料制成的机头和机翼前缘。
The tiles are backed by a high-temperature-resistant material on the nose and leading edges of the wings.
结果表明，该机翼的转捩位置在离开机翼前缘的70％左右的当地弦长处。
The results show that the transition position of the wing is at about 70% local chord from wing leading edge.
利用附加的小辅助件，改变翼面上方的流场，使机翼前缘肌体涡推迟破裂。
The leading edge vortex breakdown can be delayed using supplements to change the flow field over upper surface of the wing.
次要结构由机翼前缘，后缘和翼尖构成，主要用来减小空气阻力，支撑蒙皮，协助飞行操纵面和操纵机构。
The secondary structures, which support aerodynamic fairings or skins, flight control surfaces and control mechanisms, consist of the leading edge, trailing edge, and wingtip.
Lange的Antares20e是单座可带伸缩螺旋桨式滑翔机，由40千瓦电动机驱动，并在机翼前缘装有72个锂电池。
Lange's Antares 20e is a single-seat glider with a retractable propeller powered by a 40kw electric motor and 72 lithium-ion cells mounted in the leading edges of its wings.
由于冲击的角度是弹体角的一个影响因素，超音速飞机的机头都很尖、机翼前缘也很薄，以使产生的斜激波的角度尽可能地小。
Since the angle of the shock is a function of the body angle, supersonic aircraft have very sharp noses and leading edges so that the oblique shock wave is produced at as small an angle as possible.
与今天使用的典型机翼相比，SUGARVolt的机翼的翼尖相距更远，前缘与后缘之间相距更短，并且后掠角更小。
Compared to the typical wing used today, the SUGAR Volt wing is longer from tip to tip, shorter from leading edge to trailing edge, and has less sweep.
你是否注意过当飞机在水平状态时，机翼的前缘要比后缘高？
Have you ever noticed that when an airplane is level, the front edges of its wings are higher than the rear ones?
本文给出计算超声速和高超声速尖前缘三维机翼俯仰导数的一个近似解析方法。
In this paper, an approximate analytical method is developed by which pitching derivatives are predicted for three dimensional wings with pointed leading edge in supersonic and hypersonic stream.
连接机翼的前缘与后缘的直线。
A straight line connecting the leading and trailing edges of an airfoil.
如此卓著的效率应当归功于低阻机翼、前缘缝翼和双开缝襟翼，以及高马赫混合式翼梢小翼。
This efficiency is due largely to the innovative design of the low-drag wing. This design includes leading-edge slats, double-slotted Fowler flaps, and high-Mach blended winglets.
为了提高某型飞机机翼颤振速度，详细探讨利用副翼前缘配重提高颤振速度的方案。
To increase flutter speed of airfoil in aircraft engineering, the schemes that makes use of attached weights in leading-edge of aileron are discussed.
研究显示，前缘分离涡破裂后，流动的非定常脉动特性非常明显，这种非定常效应对机翼气动弹性特性的影响不可忽略。
It is shown that the unsteady fluctuation characteristics of the flow become highly obvious after the vortex breakdown, which exert a significant impact on the aeroelastic characteristics of the wing.
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.
而对于三维机翼来说，当奥斯瓦德有效因数等于1.0时，可认为有100%的前缘吸力。
A 3-d wing is considered to have 100% leading-edge suction when the Oswald efficiency factor (e) exactly equals 1.0.
计算模型包括尖前缘、菱形前缘、圆形前缘等三种不同前缘形状的机翼。
Numerical investigation of the effects of different leading-edge profiles on vortical flows over a double-delta wing;
计算模型包括尖前缘、菱形前缘、圆形前缘等三种不同前缘形状的机翼。
Numerical investigation of the effects of different leading-edge profiles on vortical flows over a double-delta wing;
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