Of rays of light or a beam of particles: diverging from or converging to a single focal point (or appearing to do so when produced).
| 单词 | θ76279 |
| 释义 | the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [adjective] > single focus (1) homocentric1886 Of rays of light or a beam of particles: diverging from or converging to a single focal point (or appearing to do so when produced). |
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