Lights are not employ to regulate the traffic.

红绿灯被用来管制交通。

This paper proposes an approach to design a rate based flow control mechanism in order to regulate the Available Bit Rate (ABR) traffic and effectively control congestion of the networks.

对此，本文提出一种方法来设计基于速率的流量控制机制以便调节ABR服务并有效地控制网络拥塞。

These systems will automatically regulate the speed of the car to take account of traffic and weather conditions and prevent accidents.

这些系统会自动调节车速以适应交通情况和天气状况，避免发生事故。

Air traffic controllers are responsible for directing the flow of commercial airline flights. They authorize and regulate the pathways of flights.

航空管制员负责指挥商用航空公司航班的航线，他们批准并控制航班的轨道。

Lights are used to regulate the traffic.

红绿灯被用来管制交通。