delay-differential system 时滞微分系统
a delay-differential system 时滞微分方程组
nonlinear delay differential system 非线性时滞微分系统
impulsive delay differential system 脉冲时滞微分系统
Stochastic delay-differential system 随机时变滞后系统
generalized delay differential system 广义延时微分方程
The planar delay differential system (1) has significant biological and physical backgrounds. For example, some special cases of (1) have been proposed as models of neural networks.
平面系统（1）具有重要的生物和物理背景，大量的神经网络模型都是以这种形式被提出的。
So, it has a practical significance to study the character of solutions of either degenerate differential system with delay or impulsive differential equations with delays.
因此研究退化、脉冲时滞微分方程解的性态具有重要的现实意义。
System stability is prone to be guaranteed by using the proposed control method due to the fact that the modal control law is designed directly from time-delay differential equation.
由于模态控制律直接通过时滞微分方程而得出，因此所给控制方法易于保证控制系统的稳定性。
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