Instead of going through the power lines, some systems use radio waves to communicate, which is also how WiFi and cell phone signals operate.

除了通过电线来实现这项技术，一些系统也会采用无线电波来进行交流，也就是我们常用的WiFi和无线手机信号。

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In this tutorial Satya shows us how to use the bUIlt-in radio waves plugin to create an incredibly beautiful and ethereal animation of morphing letters.

在本教程中，萨蒂亚向我们展示了如何使用内置的无线电波插件创建一个令人难以置信的美丽和空灵的变形字母的动画。

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Writers for radio next learned how to suggest place and time by word of mouth, accompanied by the impressionistic use of sound and music.

后来，广播节目撰稿人学会了用口播语词表现时问和地点，同时伴随着旨在加强印象的声音和音乐。

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Over the last dozen years, the U.S. Army has spent a lot of time and money figuring out how to use digital radio technology to lift the fog of war.

FORBES: Army Resets Radio Plans As Demand Signal Shifts

"It's a radio drama that we wanted to use to try and find out how much this localisation added to the experience of the listener, " Mr Churnside added.

BBC: shows off 'perceptive radio' that can alter scripts