基本解释n.扰动(微扰；波动；破坏；摄动)同根派生 英汉例句用作名词 (n.)The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation.借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。