本理论可应用于具有内变量或衰退记忆的简单物质在局部理论范围内的几何非线性和物理非线性裂纹问题。
The present theory can be applied to nonlinear geometrical and nonlinear physical crack problems for simple materials with internal variables or fading memory, within the framework of local theory.
通过引进表示经济衰退的解释变量，我们检验了中国实际季度GD P序列当中存在的非对称性，说明这些非对称性主要是由模型的非线性结构形成的。
By inducing the measurements of recession degree, we have tested the asymmetry in quarterly real GDP data of China's economy, and showed that it is caused by the nonlinear structural model.
通过对试验数据的非线性拟合，提出了表征两种沥青发泡性能的衰退方程，其参数有明确的物理意义。
We introduced the way of nonlinear curve fitting to analyzing the experiment data by the Origin software.
通过对试验数据的非线性拟合，提出了表征两种沥青发泡性能的衰退方程，其参数有明确的物理意义。
We introduced the way of nonlinear curve fitting to analyzing the experiment data by the Origin software.
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