“isotope abundance”的概念、定义、翻译、参考文献-科学参考

单词	isotope abundance
释义	isotope abundance [`ī·sǝ´tōp ǝ¦bǝn·dǝns] ^{NUCLEAR PHYSICS} The ratio of the number of atoms of a particular isotope in a sample of an element to the number of atoms of a specified isotope, or to the total number of atoms of the element.
随便看	annual growth ring annual inequality annual labor annual layer annual magnetic change annual magnetic variation annual parallax annual plant annual ring annual service availability index annual storage annual variation annuation annular annular atoms annular auger annular blowout preventer annular budding annular conductor annular drainage pattern annular eclipse annular effect annular gear annular hernia annular nozzle

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。