摘要
本文研究微分方程模型N给出了该方程的正平衡点N~*是有界的充分条件。
In this paper, We consider the following equation The sufficient condition which the position equlibrium of equation is bounded are given.
关键词
非线性微分方程
振动
非振动
有界性
non-linear differential equation, bounded, vibration, non-vibration.
