“barn”的概念、定义、习题解题方法及翻译-物理辞典

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)
随便看	sidereal period siemens sievert sigma particle sign convention signal signal-to-noise ratio significant figures silicon chip simple harmonic motion simulation simultaneity sine wave single-sideband modulation sintering sinusoidal oscillator sinusoidal wave siphon skip distance sky wave slepton slow neutron slug smectic smelting

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。