...二阶逼近[gap=1130]Key words:isolated power system; transient voltage stability; stability margin; second-order approximation ...
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second-order approximation theory 二级近似理论
first second order approximation 一阶逼近
second order approximation theory 二级近似理论
second order approximation formula 二级近似公式
optimum second order approximation modulus 最佳二阶近似模
second-order implicity Legendre spectrum approximation 二阶隐的Legendre谱逼近
second-order pade approximation 二阶pade近似
Studied in this paper is the nonconforming finite element approximation to the second order variational obstacle problem with displacement obstacle on the anisotropic meshess.
本文研究位移障碍下二阶变分不等式问题在各向异性网格上的非协调有限元逼近。
The Lagrangian formulation of the critical dynamics is recovered in the second order approximation of fluctuations in the closed time path continuous integral.
在闭路连续积分中取涨落二级近似，得到临界动力学的拉氏场论表述。
It is because that the coupling term due to polarization and the ignored term due to the weakly guiding approximation are as small as the second order, and they are just the same.
最后认为这是由于偏振耦合项是二阶小量，而弱导近似忽略了与之相等的二阶小量耦合项。
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