In this paper, several types of the stability problems of the degenerate differential systems with delay were researched and drawn the corresponding conclusions.
本文对几类退化时滞微分系统的稳定性问题做了一些探讨，得出了相应的一些结论。
In this paper, we discuss uniform boundedness and uniform ultimate boundedness of differential systems with infinite delay.
研究了非线性无穷时滞微分系统解的一致有界性和一致最终有界性。
A study is made on the existence and the uniqueness of periodic solution to a class of higher dimensional periodic differential systems with distributed delay.
研究一类具有分布滞量的高维周期微分系统周期解的存在性和唯一性。
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