一条街道上蓝色建筑中烧毁的窗户和在环形交叉路口小块焚尽的草地暗示着动荡的局势。
The blown-out Windows of a blue building at one of the street and a burnt patch of grass on a roundabout hint at the unrest.
从道路结构出发，对具有内、外环道的平面环形交叉路口建立了具有多个道路瓶颈的元胞自动机模型，对平面环行交叉路口的交通流进行研究。
In this paper, a cellular automaton model is proposed to describe the traffic flow at the grade roundabout crossing with the inner roundabout lane and the outer roundabout lane.
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