对于(2 + 1)维非线性物理模型，欲获其解并非易事。
To the (2 + 1) dimensional nonlinear physical models, it is a difficult task for us to obtain their universal solutions.
通过耦合激光混沌系统和光纤传输信道，提出光纤混沌信号传输的非线性演化物理模型。
A physical model of nonlinear evolution of chaotic signal propagation in optical fiber is presented by coupling chaotic laser system with optical fiber channel.
基于对非线性模型的分析，给出了溃变的数学物理学意义和数学特征。
Based on analysis of nonlinear models, mathematical physics meanings and mathematical characters of blown-ups are provided.
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