This is how the electric motor transforms electrical energy into mechanical energy.

这就是电动机将电能转化为机械能的过程。

In 1928, doctors developed a portable, metal device with pumps powered by an electric motor.

在 1928 年，医生发明了种便携式金属装置，气泵由电动机供能。

That will be powered by an electric motor January 1.

将于1月1日由电动机提供动力。

But the real innovation was adding this electric motor.

但真正的创新是加入了电动机。

Today's cargo bikes can come equipped with a small electric motor that's activated when the pedals are in motion and powered by a rechargeable lithium-ion battery.

如今的货运自行车可以配备个小型电动马达，当踏板运动时就会启动，由可充电锂离子电池供电。

So the first phase for us was to focus on performance of electric motors or actuators, and try to get them up to par with what you see with a lot of hydraulic systems.

我们的第是关注电动马达或执行器的性能，并努力使们达到你在许多液压系统中看到的水平。

And so you need to think about, even if you are using something like an electric motor, how is that electricity actually produced?

因此你需要思考，就算你是用电动车，那电实际上从哪里来？

Company engineers are working on EV toll that electric vertical takeoff and Landing vehicle, with six-meter rotors and the latest developments in electric motors and batteries to help lift passengers above crowded roadways.

该公司工程师正在研究电动垂直起降车辆的费用，配备了6米长的转子，以及电动马达和电池的最新发展，帮助乘客离开拥挤的道路。

She said, " When we got access to solar power, I bought an electric motor worth 2,000 rupees ($24) to attach to the sewing machine. Now I am able to sew one or two more clothes daily."

“当我们获得太阳能的时候，我买了台价值2000卢比（24美元）的电机安装在缝纫机上。现在我每天都能多缝两件衣服了。”

Company engineers are working on EV toll, that's electric vertical takeoff and landing vehicle, with six-meter rotors and the latest developments in electric motors and batteries to help lift passengers above crowded roadways.

该公司工程师正在研究电动垂直起降车辆的费用，配备了 6 米长的转子，以及电动马达和电池的最新发展，帮助乘客离开拥挤的道路。

It has an electric motor attached to the wheels of the train that generates an electric current every time the train breaks, helping the train to not waste any energy.

的车轮上装有个电动马达，火车每次刹停时，马达都会产生电流，使火车不会浪费任何能量。

Old auto factories in the United States have to be updated in order to build cars with electric motors and parts needed for the change.

美国的旧汽车厂需要进行升级改造，以便制造装备电动机和相应零部件的汽车。

Klinger, who owns several vintage vehicles, said he does not think electric motors will replace all gas engines - especially when considering historically important vehicles.

拥有多辆老爷车的克林格表示，他认为电动机不会取代所有的燃气发动机——尤其是考虑到历史上重要的汽车时。

For the last seventy years this electric motor has made it all possible, pulling the seven ton car to the top of the hill.

在过去的70年里，这台电动机使这切成为可能，把这辆7吨重的车拉到了山顶。

Another advantage is electric motors have a lot fewer moving parts, so the maintenance requirement's much lower and the reliability is much higher.

另个优点是电动马达的运动部件更少，因此维护需求更低，可靠性更高。

With a simple switch, the pilot can disengage the propeller from the main engine and start the electric motor to keep it spinning.

只需个简单的开关, 飞行员就可以断开主发动机的螺旋桨并启动电动机使其继续工作。

Only a craft without sails, driven by an electric motor that needed no coal, could face such high latitudes.

只有这艘没有帆而装有可以不用煤的电动机的船才能冒险跑到这样高的纬度中来。

If you think about something with a little electric motor that uses a battery, it's using Faraday's techniques.

如果你考虑个使用电池的小型电动机，正是运用了法拉第的技术。

The hum of the electric motor deepened by fractions of a tone as he turned the nuts.

他拧紧了螺丝，马达的嗡嗡声极轻微地加大了。

EVTOL means that we use electric motors to lift the vehicle and then to move forward.

EVTOL的意思是我们用电动马达来让交通工具升空，然后向前移动。