手机上搭载的接收器隔三差五地接收广播的信号，以便于延长电池寿命。
Phones come with receivers that pick up digital broadcast signals, which are usually sent in bursts to conserve battery life.
控制器通过检测器获得的各车道交通流量和排队长度来判断各个相位的交通强度，进而决定是否延长或终止当前的信号相位。
The controller got flows and queues from its detectors to estimate traffic intensity, which was then used to determine whether the current signal phase should be extended or terminated.
控制器通过检测器获得的各车道交通流量和排队长度来判断各个相位的交通强度，进而决定是否延长或终止当前的信号相位。
The controller got flows and queues from its detectors to estimate traffic intensity, which was then used to determine whether the current signal phase should be extended or terminated.
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