the second order perturbation 二级近似公式
second order perturbation method 二阶摄动方法
second order perturbation 二级微扰
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
The results show that the effect of second-order perturbation results on the natural frequency of arch bridge can be ignored.
结果表明二阶摄动结果对拱桥固有频率的影响可以忽略；
Compared with first-order perturbation, second-order perturbation stochastic finite element has the advantage of higher accuracy.
与一阶摄动随机有限元相比，二阶摄动随机有限元具有较高的计算精度。
Thickness effect on the shallow donor in parabolic quantum dots within magnetic fields is investigated by using the second-order perturbation method.
本文采用二级微扰方法研究厚度对抛物量子点内浅施主杂质处于磁场中极化子效应的影响。
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