| 单词 | total internal reflection |
| 释义 | total internal reflection [`tōd·ǝl in`tǝrn·ǝl ri`flek·shǝn] OPTICS A phenomenon in which electromagnetic radiation in a given medium which is incident on the boundary with a less-dense medium (one having a lower index of refraction) at an angle less than the critical angle is completely reflected from the boundary. |
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