atomic c mass unit原子质量单位
u atomic mass unit原子质量单位
unified atomic mass unit统一的原子质量单位;原子质量单位;统一的原子质量单位英语
physical atomic mass unit物理原子质量单位
unit atomic mass原子质量单位
N(名词) a unit of mass used to express atomic and molecular weights that is equal to one twelfth of the mass of an atom of carbon-12. It is equivalent to 1.66×10–27 kg 原子质量单位 ( abbr: amuAlso called unified atomic mass unit, dalton)