它倏地斜着后掠的双翅俯冲，然后又盘旋起来。
He made a quick drop, slanting down on his backswept wings, and then circled again.
空客的设计展示出了一个在高速和低速飞行时减少后掠的更好的机身外貌。
They give a better performance, with less sweepback, at high and low speeds.
尾平翼特征是顶端有一个上端后掠的垂直安定翼和锥形尾垂翼具有一个钝形顶端。
The tail flats feature swept-back tips forward of the swept-back and tapered fin with a blunt tip.
它们又长又细的尾巴配合后掠式的襟翼，完美地适用于最省力的方式提供推动力。
Their high, narrow tails with swept-back tips are almost perfectly adapted to provide propulsion with the least possible effort.
得出的图片突出显示了星际尘埃和气体群的轮廓所形成的明亮的后掠式突起。
The resulting image highlights the bright swept-back ridges that outline pockets of cool interstellar dust and gas.
它采用低雷达截面、变后掠翼、先进航空电子设备以及加力发动机相结合，具有远程、机动性、高效的打击能力。
Its low radar cross-section, variable-geometry wings, advanced avionics, and afterburning engines combine to provide long range, maneuverability, high speed and survivability.
美发师发型师：可以。我们有各种各样的发型，如剪短发、后掠式、盘花冠式、齐肩式，还有把头发挽成发髻。太太，您请看。
Hairdresser: sure. we have various models: hair bobbed, hair sweptback, chaplet hairstyle, shoulder - length hairstyle, hair done in a bun. please have a look at them, madam.
我们有各种各样的发型，如剪短发、后掠式、盘花冠式、齐肩式，还可以把头发挽成发髻。
We have various models: hair bobbed, hair sweptback, chaplet hair style, shoulder-length hair style, hair done in a bun.
美容师：可以。我们有各种各样的发型，如剪短发、后掠式、盘花冠式、齐肩式，还有把头发挽成发髻。太太，您请看。
Hairdresser: sure. we have various models: hair bobbed, hair sweptback, chaplet hair style, shoulder - length hair style, hair done in a bun. please have a look at them, madam.
美容师：可以。我们有各种各样的发型，如剪短发、后掠式、盘花冠式、齐肩式，还有把头发挽成发髻。太太，您请看。
Hairdresser: Sure. We have various models: hair bobbed, hair sweptback, chaplet hair style, shoulder-length hair style, hair done in a bun. Please have a look at them, madam.
在贝尔x - 5和空军赋予的NACA研究人员一个机会来测试可变后掠翼。
The Bell X-5 gave NACA and Air Force researchers a chance to test out variable-sweep wings.
后掠会增加效率，但是会降低喘振裕度，而前掠有相反的趋势。
Backsweep can improve the efficiency at the expense of surge margin.
我们有各式各样的发型，如：迷你式、高贵式、马尾式、后掠式、盘发式、齐肩式等等。
We have various kinds of patterns, such as mini style, noble style, horse-tail style, hair sweptback, chaplet hair style, shoulder length hair style and so on.
作为算例用它计算了后掠超音速平板叶栅由于振动引起的非定常空气动力功。
Program and unsteady aerodynamic work caused by oscillation of sweepback supersonic plate cascade were provided as an example of its application.
我们有各式各样的发型，如剪短发、后掠式、盘花冠式、齐肩式，还可以把头发挽成发髻。
We have various styles: hair bobbed, hair swept back, chaplet style, shoulder-length, hair done in a bun.
以动力学模型和气动模型相匹配为原则，建立了后掠桨尖旋翼的细致气弹模型。
A refined aeroelastic model of a helicopter rotor blade with swept tips is established based on model matching.
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.
美发师发型师：可以。我们有各种各样的发型，如剪短发、后掠式、盘花冠式、齐肩式，还有把头发挽成发髻。太太，您请看。
Sure. we have various models: hair bobbed hair sweptback chaplet hair style shoulder-length hair style hair done in a bun. please have a look at them madam.
本文介绍一种具有后掠叶片的径流式压气机叶轮造型方法。
This paper puts forward a method for designing the backward swept blades for centrifugal compressor impellers.
我们有各种各样的发型，如剪短发、后掠式、盘花冠式、齐肩式，还有把头发挽成发髻。
We have various models: hair bobbed, hair sweptback, chaplet hair style, shoulder-length hair style, hair done in a bun.
利用半高度后掠支板和氢气引导火焰相结合的点火方式，也可以实现煤油的可靠点火和稳定燃烧。
Combination use of the oblique Shockwave induced by the leading edge of the half height strut and hydrogen pilot flame can also ignite the kerosene and hold the combustion stably.
压缩性的影响本文不采用P—G转换，而是直接使用可压缩空间后掠马蹄涡和源(汇)。
In this paper, the effect of compression does not be treated with PrandtI-Glauert's transformation, bat directly treated with compressible source (sink) and vortex.
该控制器应用于变后掠机翼的结构强度加载控制系统之中。
This controller is applied to the structural strength loading control system, which is the experimental system of a variable swept aircraft wing.
后掠翼的变型是三角翼。
本文提出了一套完整的变后掠飞机在变后掠过程中从气动力直至航迹计算的数值求解方法。
A numerical method to obtain a complete solution of the dynamic response of a variable sweep wing aircraft in the course of changing the angle of sweep is presented in this paper.
这种方法不需要计算出无粘流线的细节，并适用于不同外形的后掠翼。
The method does not require to calculate the details of the stream lines and can be used for various swept wings at moderate angle of attack or yaw angle.
并对后掠叶片叶轮流场好的原因作了分析。
Moreover, the reason why a good flow field exists in the impeller with backward swept blades is also explained.
的X - 4的主要参与的重要性，证明1负，在这后掠翼半尾巴设计时并没有接近1马赫的速度合适。
The X-4's primary importance involved proving a negative, in that a swept-wing semi-tailless design was not suitable for speeds near Mach 1.
的X - 4的主要参与的重要性，证明1负，在这后掠翼半尾巴设计时并没有接近1马赫的速度合适。
The X-4's primary importance involved proving a negative, in that a swept-wing semi-tailless design was not suitable for speeds near Mach 1.
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