In his lifetime, Marconi foresaw the development of television and the fax machine, GPS, radar, and the portable hand-held telephone.

在马可尼的一生中，他预见到了电视、传真机、全球定位系统、雷达和便携式电话的发展。

youdao

I don't mean airbrushed as in by hand. The radar images are electronically filtered using software.

我是说，雷达的照片不是手工被弄模糊的，而是用软件对雷达的照片进行电子过滤的。

youdao

On the other hand, microwave absorbing materials are being used to confront radar detection in military fields.

另一方面，军用隐身技术迫切需要高性能的雷达波吸收材料。

youdao

Suddenly, a police officer (or someone dressed as one) stepped in front of the car with a radar detector in his hand.

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Despite the advent of GPS, radar technology and 3-D computer software, an exquisitely hand-drawn map and carefully collected data often can outdo what a couple of whiz kids can find on a laptop.

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Other new technology ideas we introduced included the first pocket hand held computers, the shiny aluminum Razor Scooter for kids, the first automobile radar detectors, the first electronic toothbrushes, and many others.

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