“isotopic number”的概念、定义、习题解题方法及翻译-物理辞典

单词	isotopic number
释义	isotopic number(neutron excess) The difference between the number of neutrons in an isotope and the number of protons
随便看	uniaxial crystal unified-field theory union unit unit cell unit magnetic pole unit vector unitary transformation universal constant universal motor universality universe unstable equilibrium upper atmosphere upthrust uranium uranium series uranium-lead dating URL UV vacancy vacuum vacuum pump vacuum state vacuum tube

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。