Flying at 1,000 ft., he heard a peculiar noise from the rotors.

飞行在1000英尺的高度时，他听到了来自旋翼的一种奇怪噪音。

Q: What are the rotors made of?

问：什么是转子做的？

The rotors fought to keep us in the air.

螺旋桨的叶片在奋力地旋转以便让我们停留在空中。

The drilled brake rotors can be seen here too.

钻孔制动转子可以在这里看到过。

There were several rotors and they could be changed.

有几个转子，他们是可以改变的。

A reliability design method of turbine rotors is presented.

介绍透平转子的可靠性设计方法。

In an emergency, it can land even if four of its 16 rotors fail.

在紧急情况下，即使16个旋翼中有4个出现问题飞机也能降落。

As the rotors turn, they generate turbulence, like the wake of a speedboat motor.

转子转动时会产生紊流，就像快艇的发动机产生的尾迹。

Its main heat exchange function is realized by heating surface arranged in rotors.

它的主要换热作用由布置在转子中的受热面来完成。

Most others use the principle of an underwater windmill whose rotors are turned by the tide.

大多数其他的是利用水下风车的原理，水下风车的转子被潮汐所推动。

Turbulence from the rotors has much less consequence in an already turbulent atmosphere.

风轮转子产生的紊流在已经混乱的大气中产生的影响较小。

Assuming the new Helicarrier has the same size rotors and mass, these values would be the same.

假设新天空母舰拥有相同的旋翼大小及重量，这些数值将会相同。

This results in the rotors being rotated at different velocities, which can be used to control yaw.

这样的结果是转子正处于不同的速度旋转，可用于控制偏航。

One cause of helicopter accidents is their main rotors coming into contact with objects like a wire.

原因之一是他们的直升机事故主要转子接触到的物体像电线。

A keyboard was linked to rotors, powered by an electric current, which transposed every keystroke several times.

它的键盘与电流驱动的转子相连，在每次击键时，转子会多次转换。

A unique feature of the CV-22 is that its rotors tilt so that it can act either as a helicopter or a plane.

CV - 22非常特别的一点是它的倾转旋翼，它既可以作为直升机也可以作为飞机使用。

They heard the rotors of helicopters before they saw them, and Nikolai's reaction was instantaneous."Inland now!"he shouted.

在看见直升飞机之前他们就听见了螺旋桨的转动，尼古拉立即反应过来，他大叫到，“往内陆跑！”

This suction effect increases wind speeds by up to 30 percent at each of the 95-foot-long rotors to boost electricity production.

这一抽吸效应使得经过每个长达95英尺的转子的时候风速增加30%，有利于电力生产。

The problem isn't the engine itself; that is actually relatively quiet. It's the rotors that make the classic "whup-whup" sound.

问题不在于相对来说更安静的发动机，而在于发出经典的“呼呼”声的旋翼。

Wallis said:" They are one of the safest machines to fly because, if the engine stops, the rotors keep turning and you can land."

沃利斯称：“驾驶旋翼飞机很安全，即使引擎停转，旋翼还会继续转动，所以可以安全着地。”

The X2 uses a pusher propeller mounted at the rear and has a pair of contra-rotating main rotors, one positioned above the other.

它使用一个安装在后面的推进式螺旋桨并有一对一上一下反向旋转的主旋翼。

The energy contained in the rapidly expanding vapors (other than steam) or gases turns the rotors to produce power of the engine.

包含在快速膨胀的蒸气（不是蒸汽）或气体中的能量使转子旋转并产生发动机的动力。

The present paper offers a method of balancing dynamically the flexible rotors with the technique of modal parameter identification.

本文提出利用模态参数识别技术进行挠性转子动平衡的方法。

That distinguishes them from synchronous motors that use a permanent magnet in their rotors instead of a set of aluminium or copper conductors.

这就把它们和在转子处使用永磁铁而非一套铝或铜导体的同步发动机区分开来。