Next, very often we have a electrical motor here that operates wrist rotation, supination or pronation.

然后，我们这里经常有一个电机，它可以控制手腕的旋转、旋后或旋前。

This electric impulse is then amplified and used by a microcomputer to control the electrical motors in the arm.

这种电脉冲随后被放大，由微型计算机控制手臂上的电动机。

We start off with a silicone skin and inside it there are electrical motors that control the opening and closing of the fingers.

我们从硅胶皮肤开始，里面有电机控制手指的开合。

Then, we also have an electrical motor over here that controls this transmission that you can see that controls flexion and extension of the elbow.

之后，我们这里还有一个电机，它控制这个传输，你可以看到它控制肘部的弯曲和伸展。

The new camera has its own tiny electrical motor. Professor Ton van der Steen is the head of Department of Biomedical Engineering at the Erasmus Medical Center.

而新型摄像头有自己的微型马达。Ton van der Steen教授是伊拉斯谟医学中心生物医学工程系主任。

In eight hours a man used to hard work and continuously exert one-tenth of a horsepower, but the same amount of work can be done by an electrical motor in a fraction of the time.

一个人过去常常在8个小时内努力工作，并不断地施加十分之一马力，但同样数量的功可以用一台电动机在很短的时间内完成。

The theory was put forward by E. C. Bullard of Cambridge University in 1949 that this fluid part of the Earth's core revolves in a way that makes it, in effect, an electrical motor, creating the Earth's magnetic field.

1949年，剑桥大学的E·C·布拉德提出一种理论，认为地核的液态部分在以某种方式转动，实际上成了一台电动机，创建了地球的磁场。