查询词典 propulsion

17 Class U: Unmanned Aerial Vehicle – An aerodyne with means of propulsion that does not carry a human, and which is designed for scientific research, commercial, governmental or military purposes.

U 级：无人航空载具—一种配备有推进手段，不能乘载人员，且专为科研、商业、政府、或军事用途之重航空器。

To generate lift and propulsion the Lippisch Aerodyne would utilize two co-axial propellers, diverting the slipstream downwards to achieve VTOL.

产生升降机及推进该利佩什博士aerodyne将利用两个合作轴螺旋桨，分流的Slipstream向下实现垂直起降。

MAST will focus on some of the key areas that include small-scale aeromechanics and ambulation, propulsion, sensing, processing and communications, and navigation and control, microdevices and integration, platform packaging and systems architectures.

桅杆将集中于一些关键领域，包括小规模aeromechanics和行走，推进，传感，处理和通讯，导航和控制， microdevices和一体化，平台的包装和系统架构。

2 Class B: AIRSHIP or DIRIGIBLE -An aerostat, equipped with means of propulsion and steering.

B 级：飞船或飞艇—浮升器之一种，配备有推进方法和操纵舵。

1 Class A: FREE BALLOON -An aerostat, supported statically in the air, with no means of propulsion by any power source.

A 级：自由气球—浮升器之一种，未使用任何动力源推进，得以静态支持在空气中。

Ascending with disposable lift, Aerostat can keep its position in stratosphere for a long period, when using high efficiency energy and propulsion system.

该类飞行器主要依靠净浮力升空，因而可实现长时留空飞行。配上高效合理的能源动力系统还可实现长期区域驻留。

In this paper, the authors carried out an exhaustive investigation into the influence of shape of afterbody of large full ship on resistance, propulsion and wake from the angle of energy-saving and vibration-reducing.

本文从节能和减振的角度出发，探讨肥大船后体形状对阻力、推进及伴流的影响。

The quadratic polynomials and Kriging method are employed to construct the response surface separately, Numerical results indicate that the forebody and afterbody designed by us is of simple configuration, not only can it ensure the efficiency of propulsion system, but also have a better aerodynamic performance.

响应近似模型分别采用了二次多项式和kriging方法来构造，结果表明由本文设计的前后体外形结构简单，不仅能确保推进系统的工作效率，而且具有更好的气动性能。

Mechanism analysis and numerical simulation of air-breathing model for laser propulsion .

大气呼吸模式激光推进的机理分析及数值模拟。

Experimental investigation on air-breathing mode of laser propulsion .

大气呼吸模式激光推进的实验研究。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。