perturbationn.扰动(微扰；波动；破坏；摄动)perturbation finite volume scheme摄动有限体积法perturbation Monte Carlo simulation微扰蒙特卡罗模拟perturbation and observation method扰动观察法perturbation of continuous spectrum连续谱的摄动perturbation motion system parameter扰动系统参数perturbation formula of magnetic force磁力摄动表达式perturbational molecular orbital theory微扰分子轨道理论perturbation theory for linear operators线性算子扰动理论perturbation theory in quantum mechanics量子力学的微扰论perturbation theory without wavefunction无波函数微扰论