non-linear theory的用法和样例：
例句
- Methods According to the limearized theory and the weakly nonlinear theory, the perturbation method is used.
方法根据线性化理论与弱的非线性理论，运用奇异摄动的方法进行研究。 - It is suggested that nonlinear theory should be set up on the basis of formation heterogeneity to realize localizable measurements.
建议测井技术的发展要从非均质地层出发，建立非线性理论，实现局域化测量。
