nonlinear differential equation set 非齐线性微分方程组
three-order nonlinear differential equation set 三阶非线性微分方程组
set of nonlinear equation 非线性方程组
The longitudinal vibration equation of elastic straight bar with nonlinear material under the action of axial force is set up.
建立了非线性材料弹性直杆在轴向扰力作用下的纵振方程。
From the nonlinear Schrdinger equation of beam propagating in Kerr absorbing medium, a set of evolution equations describing Gaussian beam waist radius have bean deduced.
由光束在克尔型吸收介质中传输的非线性薛定谔方程出发，推导了高斯光束注入介质后满足的耦合方程。
The three-order nonlinear differential equation set which is used to describe dynamic behavior of ASVG is proposed in this paper.
首次提出了采用三阶非线性微分方程组描述新型静止无功发生器的动态过程；
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