当常规的交通组织和管理手段难以取得良好的效果时，交通屏蔽圈作为较为强硬的手段被提出了。
When conventional urban transportation organizing and managing means are hard to obtain good results, transportation circumscription as a tougher means is raised.
由于是在大流量且不中断交通条件下进行工程建设，交通组织和施工现场管理成为扩建工程成败的关键。
Due to uninterrupted large flow, the traffic organization and construction site management was the key points which effect whether the extension project can succeed or not.
本文的研究为城市道路平面信号交叉口的左转交通流的组织和管理有借鉴意义。
This research is referenced to the organization and management of the left-turn traffic in the urban road signalized intersections.
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