mixed layer的用法和样例：
例句
- The results show that the different development stages of mixing layer is closely related with its nonlinear eigenvalue.
发现混合层发展的不同阶段与其系统的非线性特征值密切相关。 - The merging of four vortices in mixing layers are simulated numerically with the pseudo-spectral method.
用拟谱方法对混合层四涡合并的规律进行了数值研究。
