They have no pilots and controlled from outside the drones.

它们没有驾驶员，由无人机以外的人控制。

youdao

In some people's opinions, can the drones only be used by governments at any time?

有些人想，无人机在任何时候都只能被政府使用吗？

youdao

When they are found by the drones, the police will warn them through the loudspeaker on the drone.

无人机发现他们时，警察可通过无人机上的扬声器对其发出警告。

youdao

One of the pilots in training - identified as Major C to preserve military secrecy - says having the drones in Afghanistan will be invaluable.

VOA: standard.2010.07.27

So there is the competition for the use of drones.

所以我们还在竞争到底该向谁使用这个。

普林斯顿公开课 - 国际座谈会课程节选

He says the drones could have a huge impact.

VOA: standard.2010.07.27

"I think when people start to play with the drones, they feel pretty badass, " Lamia said.

CNN: The future world of 'Call of Duty: Black Ops II'

One thing I did not predict, however, was the danger to the drones themselves.

CNN: Bad laws would hurt good drones

U.S. officials say the Central Intelligence Agency can launch the drones from bases in Afghanistan.

WSJ: Obama Calls Pakistani Leader to Express Condolences