A one-armed robot that lets you play slots.

让您画花纹的单臂机器人。

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One swivels the video camera on the armed robot until it spots a sniper on a rooftop. The machine gun pirouettes, points and fires in two rapid bursts.

一个工程师将武装机器人身上的摄像头旋转至房顶上的狙击手，机关枪开始旋转，瞄准，然后急速射击了两枪。

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Detroit is a city of contrasts, but no one has captured the good and bad as vividly as an unidentified hobbyist armed with a cheap helicopter-like flying robot and a YouTube account.

FORBES: Remarkable Drone Camera Captures Detroit's Ups And Downs Like Never Before