The override action occurs when a slight pull toward the driver on the switch lever providers high beam headlights regardless of the amount of light on the sensor-amplifier.
轻轻朝着驾驶员的方向拉动开关控制杆这一动作，就可以使前照灯远光灯泡点亮，而不用顾及灯的数量。
2
So liquid crystal grating is used in extensive field such as diffraction optics, photoelectric switch, deflexion controlling of light beam.
因此液晶光栅的这种光电特性在衍射光学、光电开关、光束偏转控制等许多领域具有广泛的应用前景。
3
The low beam light switch is placed a little far away on the dash which is annoying but most other switches are within reach and work well.