drone是什么意思？

Days after the deadly 2017 wildfires in Santa Rosa, California, a drone (无人机) caught footage (连续镜头) of a USPS worker, Trevor Smith, driving through burned homes in that familiar white van, collecting mail in an affected area.

Secretary Anthony Foxx, to talk about smart cities, and Federal Aviation Administration Administrator Michael Huerta, to talk about drones.

Meanwhile, emerging technologies – the drones, 3D printers and smart-home devices of the world – now seem a bit too old to be called the next big thing.

It is still easy to be dazzled by the display of drones ( ' , 无人机 ), 3D printers, virtual reality goggles ( ' , 眼镜 ) and more smart devices than you could ever hope to catalog.

A drone (遥控飞行器) operator will invade someone's privacy.

So, despite all the talk about drone deliveries to your doorstep, all the retail executives expressing anxiety over consumers going online, and even a Presidential candidate exclaiming that Amazon has a " huge antitrust problem, " the Census data suggest