查询词典 ram jet engine

In fact, the jet propulsion engine, whether rocket, athodyd, or turbo-jet, is a piece of apparatus designed to accelerate a stream of air or gas and to expel it at high velocity.

实际上，喷气推进发动机，无论火箭、冲压喷气、或者涡轮喷气，都是设计成加速空气流或者然气流并将其高速排出的一种装置。当然，如第2章中描述的那样，这样做有不同的方式。

"Later airplane design was affected by the development of the jet engine; most airplane s today have a long nose section, swept-back wings with jet engines placed behind the plane's midsection, and a tail stabilizing section."

后来飞机设计受喷射发动机的发展影响，大部分现代的飞机有一个长鼻机身，向后斜的机翼带有喷射发动机安置在飞机中段部分，尾部是安定器。

This paper presents a no-contact temperature measurement for a small rocket engine jet exhaust,for a shock wave on nose cone of a model in a jet exhaust and for a model surface of various materials.

本文叙述了用光学法测量小发动机燃气流火焰温度、燃气流中模型前端的激波温度及不同材料的模型表面温度。

However, in jet-propulsion the air is directed rearwards in a jet from the engine itself.

可是，在喷气推进器中，空气是从发动机本身，经喷管导向后部的。

The possibility of using a reaction jet had interested aircraft designers for a long time, but initially the low speeds of early aircraft and the unsuitably of a piston engine for producing the large high velocity airflow necessary for the jet presented

使用反作用喷气的可能性令飞机设计师们向往已久，但在最初存在很多障碍，这是因为早期飞机的速度很低和活塞发动机不适合于产生&喷气式&所必需的大量高速气流。

One of the main causes of the noises of the modern jet plane is the strong fluctuation generated by the flows passing by the trading edge of the airfoil and the outlet of jet engine, and the mechanism of generation of noises canoed by the fluctuation has not been clear at present.

现代喷气式飞机的主要噪声源之一是在机翼的尾缘及喷流发动机的出口处，即流体流过尾缘时产生的强烈脉动，目前这类脉动产生噪声的机理尚不清楚。

"Later airplane design was affected by the development of the jet engine; most airplanes today have a long nose section, swept-back wings with jet engines placed behind the plane's midsection, and a tail stabilizing section."

后来飞机设计受喷射发动机的发展影响，大部分现代的飞机有一个长鼻机身，向后斜的机翼带有喷射发动机安置在飞机中段部分，尾部是安定器。

"Later airplane design was affected by the development of the jet engine; most airplanes today have a long nose section, swept-back wing s with jet engines placed behind the plane's midsection, and a tail stabilizing section."

后来飞机设计受喷射发动机的发展影响，大部分现代的飞机有一个长鼻机身，向后斜的机翼带有喷射发动机安置在飞机中段部分，尾部是安定器。

The hexagon at the bottom is the engine exhaust jet, which is changeable to suit driving conditions, the concentric tube in the middle is the steam blower jet.

底部的六边形是喷气发动机排气，即以适应多变的驾驶条件，中间管同心风机蒸汽喷射。

It was there he invented and developed the Pulse Jet Engine, a one-man single bladed jet helicopter which he test flew himself and also a Delta Wing Convertiplane for the United States Airforce.

在那里，他发明和发展了脉冲喷气发动机，一人单刃喷气直升机试飞了，他自己也是一个三角翼Convertiplane为美国的空军。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？