optic axis

• 光轴

英英释义

Noun:

1. in a doubly refracting crystal, the line in the direction of which no double refraction occurs;

   "a crystal may have either one or two optic axes"
   

2. a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted;

   "in a normal eye the optic axis is the direction in which objects are seen most distinctly"
   

近反义词

【近义词】

• principal axis [物]主轴