... 定向微扰 directed perturbation 二级微扰 second order perturbation 反应性微扰 reactivity perturbation ...
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the second order perturbation 二级近似公式
second order perturbation method 二阶摄动方法
second order perturbation theory 二级微扰理论
second-order perturbation theory 二级微扰论
second order perturbation formula 二级微扰公式
second-order perturbation solution 二阶扰动解
the second order perturbation formula 二级微扰公式
second order RS perturbation theory 二阶RSPT微扰方法
Using the second order perturbation theory, the formulae of vibrational force constants are derived in part one.
运用二阶微扰理论，本文第一部分首先计算了高阶力常数的表达式。
The frequency stability, amplitude stability and harmonic content can be deduced from the second order perturbation solution of that equation.
方程的二阶近似解显示出非线性效应对振荡频率稳定度、振幅稳定度及波形正弦纯度的影响。
The second order perturbation solution for the flow of power-law fluid in stillness a helical pipe is obtained with curvature and torsion as small parameter.
以曲率和挠率为小参数得到螺旋管道内幂律流体流动的二阶摄动解。
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