light axis

• 光轴

light axis的用法和样例：

例句

1. A photograph printing device arranges a polaroid which can rotate around an optic axis and a double refraction board at the light emergent side of a liquid crystal layer.
   一种照片印制装置，将能以光轴为中心旋转的偏光片和双折射板设在液晶层的光出射侧。