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An old saying: unity is strength.Again, this sentence can also be used in crossing the road,When the people waiting for a red light,A person's weight does not shorten the time of the traffic lights,However, with the increase in the number, weight gain, red light into green light time will be shortened,Reduce the time when the crowd was waiting for the traffic light.But also to improve the traffic environment,Makes people travel more safe and efficient.
Zhongyuan University of Technology
Zhengzhou City,Henan Province, China
Zhengzhou City, China