质: nature; character; essence能: ability; capability; skill当量: equivalent; equivalent weigh ...原理: principle; tenet; axiom; the ...质能当量: mass-energy equivalence当量原理: equivalence principle; equivalent principle能当量: energy equivalent; energy eqyivalent; engine equivalent; equivalent energy热能当量: thermal energy yield质能相当量: equivalence of mass and energy; mass energy equivalence量热计能当量: energy equivalent of calorimeter; energy equivalent of calorimetre测量原理: measuring principle; principle of measurement动量原理: momentum principle; momentum theory角动量原理: principle of angular momentum能量原理: energy principle; energy theorem; principle of energy冲量动量原理: impulse momentum principle在轴 mtf 测量原理: measuring principle of mtf最小能量原理: least-energy principle; principle of minimum energy质能相当原理: mass energy equivalence principle补充松驰变量原理: complementary slackness theorem动量与能量原理: principle of momentum and energy惠更斯矢量原理: huyghe vectorial principle; huyghens vectorial principle最小虚质量原理: principle of minimum virtual mass最小作用量原理: least action principle; the principle of least action能当: yoshimasa质能相当性原理: mass energy equivalence principle