短語詞組短語conservation laws of momentum 動量守恒定律conservation law of momentum 動量守恒定律conservation of angular momentum [物]角動量守恒;角動量保守;角動量守恒conservation of momentum principle 動量守恒原理conservation of generalized momentum 廣義動量守恒conservation of angulars momentum 角動量守恒the conservation of momentum 動量守恒conservation of linear momentum 動量守恒;線動量守恒conservation of absolute momentum 絕對動量守恒;絕對動量保守 返回 conservation of momentum