“Mass number”的概念、定义、翻译、参考文献-科学参考

单词	Mass number
释义	Mass number The sum of the number of protons and neutrons in a nucleus.
随便看	breast density breast duct breast duct endoscopy Breast Imaging Reporting and Data System breast implant breast lobe breast lobule breast reconstruction breast self-exam breast-sparing surgery brentuximab vedotin brequinar Breslow depth Breslow thickness Brevicon Brewster's law briciclib sodium Bridion Brief Pain Inventory brigatinib brilacidin oral rinse brincidofovir Brintellix British thermal unit brivanib

科学参考收录了15208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。