“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 Encyclopedia 理学质量数释 mass number质量数原子核内质子数Z和中子数N的总和。通常用符号A来表示，按照规定，质量数写在元素符号的左上方，核电荷数写在符号的左下方，如、。 Physics 原子核物理学、粒子物理学原子核物理学 mass number质量数＞原子核物理学＞原子核基本性质＞释义 mass number质量数 mass number质量数^†
随便看	small roots of polynomial congruences small rotation Small Ruminant Research small rural school small sample small sample plot small sample problem small saphenous vein small saphenous vein high ligation and stripping small satellite small scale anisotropy small scale beam trawl fishing small-scale damping small scale fading small scale geology map small scale inhomogeneity Small-scale Joint Performace of Theatrical Troupes 1960 small scale of regional geological survey small-scale opera small-scale societies small-scale technology theory small-scale transition small scale vegetation map smallscale yellowfin Small Scene Under the Moon

科学参考收录了854744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。