dip beam meaning in Chinese

检查高位刹车灯

Road vehicles . levelling devices for headlamp dipped beam
道路车辆.前灯探照光束方向校正装置
Dipped beam inclinatin
会车光束倾斜角
The central - dip beam profile occurs when a pgsm beam through optical abcd system with a polarizer , but the beam profile of scalar gsm beam does not happen
阑中传输时，光束形状与与标量gsm光束形状相似，但是通过含有偏振片的光学系统后，光束中心会发生凹陷，而标量gsm光束保持不变。