短語(yǔ)詞組短語(yǔ)conservation law of angular momentum 角動(dòng)量守恒定律conservation of absolute angular momentum 絕對(duì)角動(dòng)量守恒;絕對(duì)角動(dòng)量保守the conservation of angular momentum 角動(dòng)量守恒 返回 conservation of angular momentum