短語詞組短語conservative inertial force 保守慣性力non -conservative force 非守恒力;非保守力;非守?力conservative force field [力]保守力場;守恒力場;保守力場field of conservative force 勢力場conservative force system 保守力系conservative field of force 保守力場;力之守恒場;守恒力場 返回 conservative force