【摘 要】
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On the streets of Zhongguancun,a science and technology hub of some repute in northwest Beijing,a yellow box, half a meter wide and one meter high with a black
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On the streets of Zhongguancun,a science and technology hub of some repute in northwest Beijing,a yellow box, half a meter wide and one meter high with a black semicircular head and six wheels, is running smoothly.Pedestrians hurry by with some giving the occasional curious glance to this unusual object.Little do they know that they are passing a prototype of China's first independently developed self-driving delivery robot.
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