1)equivalence of mass and energy,质能相当性2)mass energy equivalence principle,质能相当性原理3)mass energy equivalence,质能相当量4)equivalent performance parameters,相当性能参数5)mass energy equivalence principle,质能当量原理;质能相当原理6)nominal mass,相当质量
用法和例句
Taking impact as an example this paper has analysed nominal mass of deter- minate beams by the energy method.