质: nature; character; essence能: ability; capability; skill守恒定律: conservation law不: a block of wood灭: go out定律: law质能守恒定律: conservation of energy; law of conservation of mass and energy质能守恒;质能不变: mass-energy conservation能量守恒定律;能量不灭定律: law of conservation of energy物质守恒定律;物质不灭定律: law of conservation of matter质量守恒定律;质量不灭定律: law of conservation of mass量能不灭定律: law of conservation of energy质能守恒: mass-energy conservation质能守恒律: law of conservation of mass energy; law of conservation of massenergy机械能守恒定律: law of co ervation of mechanical energy; law of conservation of mechanical energy能量不灭定律: law of conservation of energy物质不灭定律: law of conservation of matter; law of indestructibility of matter质量不灭定律: law of conservation of mass; law of conservation of matter守恒定律: co ervation law; conservation laws; conservation relation; conservation, law of; law of conservation磁链守恒定律: constant-linkage theorem电荷守恒定律: law of conservation of charge; law of electric charge conservation动量守恒定律: law of co ervation of momentum; law of conservation of momentum; momentum co ervation law; momentum conservation law; momentum#conservation of momentum力的守恒定律: force conservation面角守恒定律: law of constancy of interfacial angle能量守恒定律: conservation of energy law; conservation of energy theorem; energy conservation and conversion law; energy conservation law; energy conservation principle; law of co ervation of energy; law of conservation of energy; law of energy conservation; law of persistance of energy