Read Edit View history 质量数 zhìliàngshù mass number Origin Definitions Defs 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