无人机制造商表示，无人机是令人兴奋的新技术，未来将由无人机控制。
Drone makers say drones are exciting new technology and that the future will be controlled by them.
当人们在不知道如何真正控制它的情况下发射一个像无人机一样的自我控制飞行机器时，可能会发生一些糟糕或意想不到的事情。
Something bad or unexpected can happen when people send up a self-controlled flying machine like a drone without knowing how to really control it.
“渡鸦”无人机的控制硬件是一台在侧面配有按钮的平板电脑，有点象一个便携的游戏机，大部分使用者能够在几天内掌握其使用方式。
The controlling hardware is a tablet computer with buttons on the side, something like a portable games machine, and most people can get the hang of it in a couple of days.
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