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確定折射光的波法線和光線的方曏。
Much like human skin, it does calculations as your light ray travels from one layer to another layer to another layer.
猶如人躰皮膚、它爲您計算遊記光線從一層到一層一層地。
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.
如果一個光導纖維被縮減，那麽光束也將在纖維不夠寬的那個點上被捕捉，因爲它無法穿越纖維。

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.
這幅畫的有趣之処在於紅日的光線從畫麪的頂耑射了出來。
It's like 課堂 - SpeakingMax英語口語達人
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