| 单词 | ray |
| 释义 | ray A narrow beam of radiation or an idealized representation of such a beam on a ray diagram , which can be used to indicate the positions of the object and image in a system of lenses or mirrors |
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物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。