traffic signal

Drivers must be on the alert for traffic signals.

驶员必须密切注意交通信号。

The traffic signal lamp provided by the invention ensures that people with achromatopsia can also identify the traffic signals.

本发明提供交通信号，使得了色盲症人也能辨识交通信号。

The traffic signal lamp of the important composition part controlled as the traffic should internationalize too.

作为交通控制组成部份交通信号也应国际化。