混凝土材料的复杂性及其非线性力学行为越来越受到重视。
Greater attention has been paid to the complexity and nonlinear mechanical behavior of concrete material.
几何非线性的动力响应问题求解，一直是力学中的难点。
It is always difficult to solve nonlinear dynamic response problems.
本文讨论非线性弹性动力学方程组的外问题。
In this paper, we deal with the exterior problem for the nonlinear elastodynamic system.
生理信号已经被证明是混沌信号，它具有广泛的非线性动力学特征。
The physiology signal has been proved to be chaos signal by academia.
生理信号已经被证明是混沌信号，它具有广泛的非线性动力学特征。
The physiology signal has been proved to be chaos signal by academia.
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