Electrical devices for outdoor use are not expensive.

户外使用的电器设备并不贵。

youdao

At each end of the fibre, optical signals must be converted to or from the electrical signals that computers use to process information.

在纤维的各端，必须将光信号转换成电信号或者将电信号转换成光信号，计算机用电信号处理信息。

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I talk to electrical engineers who use genetic algorithms to design circuits, and the circuits end up being completely alien to humans.

我曾经和一个电学工程师聊天。这个工程师利用遗传运算设计电路，最后这个电路对人们来说却是完全陌生的。

youdao

If a heart beats too slowly, the device will use electrical signals to help set a normal rate.

VOA: special.2010.06.29

Now, if you're an engineer, and you use the ideal gas law to design a chemical plant or a boiler or an electrical plant, you know, a steam plant, you're going to be in big trouble.

比如说锅炉，蒸汽机,我们会遇到一个大问题：,我们设计的机器将无法运作，因为对大部分实际气体。

麻省理工公开课 - 热力学与动力学课程节选

If a heart beats too slowly, the pacemaker will use electrical signals to help set a normal rate.

VOA: special.2010.06.02

According to a study conducted by Schatz Energy Research Center at Humboldt State University, electrical use per household in urban areas of Humboldt County has shot up 50 percent since 1996, while in Arcata and more rural areas, household electricity use has jumped 60 percent.

FORBES: Written by Matt Hickman

Instead of gunpowder or rocket motors, the railgun will use electrical power to propel the projectiles.

FORBES: U.S. Navy Pioneers Next-Gen Electric Weaponry

The processors still use electrical circuits, but the chips convert the electrical information to light pulses, which then transfer between chips.

FORBES: IBM Develops Nanophotonics Chip For Faster Communications