Chris Retzler has built a prototype of a machine called the wave rotor.
克里斯·雷兹勒做出了一台叫做波转子的样机。
This minuscule rotor wiggled clockwise or anticlockwise as molecules bumped into it from one side or the other.
当分子从一边或另一边撞击这个微型转子时，它会顺时针或逆时针摆动。
The rotor is at bottom of the picture.
图片底部是转子。
It also removes the need for a tail rotor.
它也无需尾部旋翼。
It also featured an enclosed tail rotor.
它同样以涵道桨为特色。
When the rotor spins, it generates renewable energy.
当转子转动时，便产生可再生能源。
Meanwhile, deep water is pumped to a rotor at the surface.
同时，深层的水被水泵提升至水面上的一个叶轮。
It's a single rotor helicopter powered by batteries made by US Hybrid.
萤火虫项目是一种单旋翼直升机，使用美国混合动力(US Hybrid)公司制造的电池。
Dynamic balance test should be carried out to the rotor of the turbocharger.
涡轮增压器转子应进行动平衡试验。
The energy in the wind turns two or three propeller-like blades around a rotor.
风力推动固定在转轴上两三个像推进器一样的叶片。
The prestress method should be developed in the study of the rotor dynamics problems.
预应力法在转子动力学问题的研究中可进一步拓展。
This paper introduces the development and design of the rotor oil pump of 6105 engine .
本论文介绍了对6105汽车发动机转子式机油泵的开发设计。
The rotor blades work like the wings of an aeroplane, with an aerofoil shape providing lift.
旋转叶片的工作原理类似飞机的两翼，运用机翼的形状提供上升力。
The two companies have also developed a quad tilt-rotor concept for a potential JFTL program.
两家公司还为潜在的JFTL方案制定了一个“四倾转旋翼”的概念。
The three-bladed rotor spins in winds from 7 to 70 MPH, sweeping twice the area of a football field.
当风速达到每小时7至70英里时，便可驱动安装着三片风叶的转子旋转。
Helicopters are limited in their forward speed by the spinning rotor blades that make hovering possible.
直升飞机那不停转动的旋翼叶片使其能够在空中悬停，但却限制了它向前的飞行速度。
So in forward flight each rotor can produce an equal amount of lift on each side, thus providing balance.
因此在向前飞行时，旋转叶片可以在每一边产生相同大小的升力来进行机身的平衡。
Adding a rotor blade (it had five on the main rotor and four on the tail) and using a modified exhaust system were among them.
增加一个桨叶(主桨有5个叶片，尾桨有4个)，并使用了改进的排气系统。
But unlike an aircraft, when a helicopter is flying forwards the air passing over its rotor blades does so at different speeds.
但是与飞机不同的地方在于，当直升机向前飞行时，空气是以不同的速度流过旋转的叶片的。
This means it can hover like a helicopter, but when flying forward can reduce the speed of the main rotor because the wings provide part of the lift.
这意味着它能像一架直升机那样作空中悬停，而在向前飞行时，又能降低主旋翼的速度，因为它的一对短翼提供了部分升力。
Before specific solutions can be tested, NASA must first collect data on how the rotor blades interact with air under a variety of operating conditions.
在测试特定的方案以前，NASA必须首先搜集在不同的运行条件下桨叶与空气如何相互作用的数据。
It is powered by two jet-turbine engines which operate both the five-bladed main rotor and, through a gearbox and shafts, a pair of propellers on two short wings.
它由两个喷气涡轮引擎提供动力，以驱动五个叶片的主旋翼，以及通过齿轮箱和连轴驱动在两边短翼上的一对螺旋桨。
The company created an automatic movement with the use of contemporary materials like silicon and a hand engraved rotor on the reverse side of the timepiece.
Ateliers deMonaco公司使用现代材料(如硅)制作了这枚自动腕表，并在腕表的背面安装了一枚手工雕刻的摆陀。
Then there's increasing the number of rotor blades. This helps because each additional blade carries less of the weight of the helicopter, and thus produces less noise.
增加旋翼桨叶数量也是一种方法，这使得每片桨叶负载的直升机重量降低了，因此产生的噪音更小。
Think of it as a rotating transformer, with the primary windings residing in a stationary casing (stator) and the secondary conductors attached to an inner shaft (rotor).
你可以把这种电动机当作一个旋转变压器，其主要的线圈在固定套管(定子)内，二级导线附在一个内轴(转子)上。
One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.
提高高旁通飞机引擎的方法之一就是把风扇变成开放式旋翼，有点回归于螺旋桨的味道，但要使用两圈粗短的反旋桨叶。
Tesla's invention is, in essence, a rotating transformer. Its primary windings reside in a stationary steel casing (the stator) and and secondary conductors are attached to an inner shaft (the rotor).
尼古拉·特斯拉发明的感应电动机本质上就是一台旋转变压器——首先在电动机的固定钢制外壳（定子）上安装上绕组，然后将导体安装入内轴（转子）。
The software which controls this process is able to measure the success of previous changes to the rotor Angle and use that information to fine-tune future attempts to dampen wave-induced movement.
调节这一过程的软件能够记录前几次转轮角度的成功调整，然后用这一信息优化下面的调节，缓和海浪引发的摇动。
"Rotor craft specifically play a critical role for both military and commercial applications," he said.
他说：“旋翼飞机在军事和商业上都发挥着关键的作用。
"Rotor craft specifically play a critical role for both military and commercial applications," he said.
他说：“旋翼飞机在军事和商业上都发挥着关键的作用。
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