At last, the idea used for constructing NNMs of discrete systems is also valid for continuous systems, and this mothed is substantiated by two examples.

• 最后,将处理离散内共振系统的方法推广到连续系统,研究了悬臂梁的非线性模态及其振型,并通过算例验证了本文理论的正确性和可行性。