Abstract: A class of general nonlinear neutral differential equations for its special cases are discussed.Sufficient conditions for all solutions of the equations to be oscillatory are obtained.It can be treated in the extreme limite theorem.

• 文摘:在特定条件下讨论了一阶非线性中立型的微分方程振动问题；产生了一阶非线性中立型微分方程的振动准则；并用极限理论证明了该振动准则的正确性.