该文研究一带时滞的退化非线性抛物方程的初边值问题。
This paper deals with the initial boundary value problem of a nonlinear degenerate parabolic equation with time delay.
本文导出了高斯光束通过非线性抛物形梯度折射率棒透镜的变换公式。
The transformation formulae of Gaussian beams through a nonlinear parabolic graded index rod lens are derived.
解的熄灭现象是非线性抛物型方程解的一个重要性质，有着广泛的物理背景。
The extinction phenomenon of solution is one of the important qualities of nonlinear parabolic partial differential equation, as it explains comprehensive realistic backgrounds.
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