短語詞組短語conservation of law 法律保守性State Conservation Districts Law 州水土保持區(qū)法conservation the law of elasticity 商品的彈性守恒定理angular monentum conservation law 動量矩守恒定律conservation law of energy 能量守恒定律;守恒定律spatial parity conservation law 空間宇稱守恒律Conservation law of mass 質(zhì)量守恒定律Conservation of Energy Law [物]能量守恒定律particle number conservation law 粒子數(shù)不減定律 返回 conservation law