traffic signal

Drivers must be on the alert for traffic signals.

驾驶员必须密切注意交信。

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

本发提供的交信，使得了色盲症的人也能辨识交信。

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

作为交控制的重要组成部份的交信也应国际化。