质量数 zhìliàngshù mass number Definitions Defs Origin Strokes Stroke Words Sentences Sents 质量数 (質量數) zhìliàngshù mass number the total number of protons and neutrons in an atomic nucleus; atomic weight or mass Sources Definitions CC-CEDICT
质量数 (質量數) zhìliàngshù mass number the total number of protons and neutrons in an atomic nucleus; atomic weight or mass Sources Definitions CC-CEDICT
