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。
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。
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 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。
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。
This type of rotor position sensor lays a foundation for the closed-loop control of step motor.
这种新型位置传感器为进一步实现步进电动机闭环控制奠定了基础。
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。
The method has been widely used in the practice of producing rotor products in the plant, and has achieved good results.
该方法已在本厂转子产品生产实践中得到广泛应用，并取得良好效果。
The research provides a reliable theory base and reference for diagnosing same fault of rotor effectively for the future.
研究结果为今后有效识别同类转子故障提供可靠的理论基础和参考依据。
This is very helpful to choose suitable nonlinear oil film force model in the dynamic analysis for rotor-bearing systems.
这为进行转子-轴承系统的非线性动力学分析时选取恰当的油膜力模型提供了理论指导。
This article provides a basis for the further investigation into oil film dynamics and for high speed rotor system design.
本文的工作为深入研究油膜动力特性及高速转子系统设计奠定了基础。
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。
The cycloid rotor pumps are applied to many fields more and more widely with the advantages of compact structure, stable running and low noise.
摆线转子泵因其结构紧凑、运转平稳、噪音低等优点而被越来越广泛地应用于各个领域。
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。
The time domain identification of model parameters of rotor bearing systems is helpful for condition monitoring and fault diagnosis of rotating machines.
轴承-转子系统模态参数时域识别对于回转机械的状态监测与故障诊断具有重要意义。
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。
The method reduces calculation errors caused by the change of rotor shaft radius because of wear, simplifies the calculation and increases the operation speed.
该方法不但减少了因为转子磨损转轴半径变化带来的计算误差，而且还简化了计算，有效地提高了运算速度。
The 300MW turbo generator was built in DFEM in 1985. It is the first 300MW turbo generator with water coolest stator winding and hydrogen cooled rotor in China.
东方电机厂在1985年试制成功300MW汽轮发电机，这是国内首台水-氢-氢型300MW汽轮发电机。
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。
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。
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