conservation law of angular momentum
law of conservation of moment of momentum
the law of conservation of angular momentum
the law of conservation of energy momentum
law of conservation of charge
law of conservation of energy
能量守恒定律
能量不灭定律
能量守恒原理
能量守恒律
能量守恒
能量不灭律
能量守恒法则
电磁场能量守恒定律
law of conservation of mass
law of conservation of mass energy
law of conservation of mass-energy
law of conservation of matter
law of conservation of mechanical energy
law-of conservation of mass
principle of conservation of momentum
principle of momentum of momentum
angular momentum conservation law
angular-momentum conservation law
association law [= law of association]
conservation law of dynamics
conservation law of energy