Read Edit View history 质量数 zhìliàngshù mass number Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 质量数/ 質量數 zhìliàngshù mass number the total number of protons and neutrons in an atomic nucleus; atomic weight or mass 在该核反帔中，质量数是守恒的。 Edit Delete References Add reference No references for this word.
质量数/ 質量數 zhìliàngshù mass number the total number of protons and neutrons in an atomic nucleus; atomic weight or mass 在该核反帔中，质量数是守恒的。 Edit Delete