... 二维弹性理论：two-dimensional elasticity theory 二阶摄动方法：second order perturbation method 二维NOE谱：2D NOE spectrum ...
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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。
This study calculated the statistical moments of settlement for shallow foundation by using second-order perturbation stochastic finite element method.
笔者探讨了这一方法，考虑土性分布参数和荷载变异性，用二阶摄动随机有限元法进行了浅地基沉降的概率分析。
Based on the second-order perturbation technique, the stochastic finite element method (SFEM) of the strength analysis of the turbine blade is introduced in this paper.
本文基于二阶摄动技术研究叶片强度分析的随机有限元方法。
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