能量转化和守恒定律
the law on the energy transformation and conservation
能量守恒定律
law of conservation of energy
the law of the conservation of energy
law of energy conservation
conservation law of energy
energy conservation law of
energy conservation law
conservation laws of energy
the law of convervation of energy
Energy conservation principle
能量和动量守恒定律
laws of conservation of energy and momentum
能量-动量守恒定律
the law of conservation of energy momentum
能量转化及守恒定律
energy transformation and conservation law
面角守衡定律
law of constancy of interfacial angle
瞬间动量定律
law of moment of momentum