neutral functional differential equations的用法和样例：
例句
- The existence of periodic solutions of a neutral integro-differential equation with infinite delay was studied.
摘要本文考虑具无穷时滞中立型积分微分方程周期解的存在性。 - We discuss the stability of a kind of neutral delayed linear differential equation, and obtain the stability criterion of this equation.
摘要讨论了一类中立型线性微分方程的稳定性，得到其零点稳定的充分判别准则。
