| 单词 | barn |
| 释义 | barn A unit of area sometimes used to measure cross sections in nuclear interactions involving incident particles. It is equal to 10-28 square metre. The name comes from the phrase ‘side of a barn’ (something easy to hit) |
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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。