“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	combined test combined three-electrode array combined tool combined toxicity Combined train combined transportation of open pit combined transport by air and land combined vaccine combined ventilation combined warping-sizing machine combined water combined water treatment combined weave combined weft-knitted structure combined with absorber and reflector/resonator silencer combined working hours combiner combine vigor and suppleness combing combing cashmere combing machine combing preparation machines combing roller combining combining ability

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。