光轴的英文：
ray axis
optic axis
optical axis
principal axis
- Crystals of this type, having only one optic axis, are called uniaxial crystals.
这种只有一根光轴的晶体称为单轴晶体。
n. 射线；光线；一线；鳐
v. 放射，辐射；照射；闪现
- Bear in mind that the chief ray is now principal ray.
记住，此时主光线就是主点光线。 - externo-lateral ray
外侧辐肋 - concrete for radioactive ray shielding
放射线屏蔽用混凝土
n. 轴，光轴，核心，轴心国
- transverse axis
【数】横截轴 - three-axis trainer
三自由度练习器 - Next to or facing the main stem or axis.
近茎轴一侧的紧挨着主茎或轴的，面向主茎或轴的
adj. 眼睛的，视觉的；光学的
- Optical brightener(Optical brightness agent): Synonymous with Optical bleaching agent.
光学增光剂:即光学漂白剂。 - Optical depth and optical path are often confused in the literature.
文献中光学厚度和光程时常混淆。 - A computer that is made of optical fiber and various optical elements
一种利用传递光信号的光纤与各种光学元件相结合而制成的计算机。