2021 smart city

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2021 smart city: In recent years, thanks to the continuous progress of LED technology and the vigorous promotion of intelligent transportation construction, the LED zebra crossing that can speak and emit light has covered many cities in China, adding help to the urban appearance and civilization construction, illuminating the "life protection line" at traffic intersections, forming beautiful scenic spots.
Author:liu, tempo/ Date: 2021-09-17 /Views:40