在我国城市交通管理中，对城市信号交叉口处机动车、自行车和行人的混合交通流的有效组织是交通通畅运行的关键。
Effectively managed mobile, bicycle and pedestrians mixed traffic flow at signalized intersection is a key to traffic management in China.
在我国城市交通管理中，对城市信号交叉口处机动车、自行车和行人的混合交通流的有效组织是交通通畅运行的关键。
Effectively managed mobile, bicycle and pedestrians mixed traffic flow at signalized intersection is a key to traffic management in China.
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