light ray

基本解释

The refraction directions both the wave normal and the light ray can be calculated by the formulas above.
文章所得解析公式完全可以确定折射光的波法线和光线的方向。
Much like human skin, it does calculations as your light ray travels from one layer to another layer to another layer.
犹如人体皮肤、它为您计算游记光线从一层到一层一层地。
If the optical fibre is tapered, the light ray will become trapped at the point where the fibre is no longer wide enough to let it pass any farther.
如果一个光导纤维被缩减，那么光束也将在纤维不够宽的那个点上被捕捉，因为它无法穿越纤维。

Finally,a single ray of light shot from out and fell full upon the vulture eye.
And what's interesting about this sun is it has a ray of light coming out of the top.
这幅画的有趣之处在于红日的光线从画面的顶端射了出来。
It's like 课堂 - SpeakingMax英语口语达人
And then,when my head was well in the room, I undid the lantern just so much that a single thin ray of light fell upon the vulture eye.

The hybrid disc works by making the Blu-ray layer act like a two way mirror, reflecting enough light for Blu-ray playback, but letting enough light through for HD DVD operation.
ENGADGET: Three's company: Warner patents all-in-one hybrid disc HD