The oscillatory criteria of even order nonlinear neutral delay differential equations are studied. The results obtained extend several results in known literature.

研究一类非线性的偶数阶中立型时滞微分方程，得到了该类方程解振动的几个新的判别准则，得到的结果推广了已有文献中的结果。

A class of second order nonlinear functional differential equations with continuously distributed delay are studied, and sufficient conditions are derived for all solution to be oscillatory .

考虑一类具连续分布滞量的二阶非线性泛函微分方程，获得了该方程的所有解振动的充分条件。

In this paper, the oscillation of forced neutral difference equations with positive and negative coefficients is studied and two sufficient conditions of this equation to be oscillatory are obtained.

研究了一类具有强迫项正负系数中立型差分方程的振动性，获得了方程振动的两个充分条件。

The scientist observed the oscillatory motion of the pendulum.

科学家观察到了钟摆的振荡运动。

The patient's heart showed an oscillatory rhythm on the monitor.

患者的心脏在监视器上显示出振荡节律。

The oscillatory behavior of the stock market can be unpredictable.

股市的振荡行为可能是不可预测的。

Engineers are studying the oscillatory patterns in the bridge's design.

工程师们正在研究桥梁设计中的振荡模式。

The oscillatory nature of the signal was analyzed by the technician.

技术人员分析了信号的振荡特性。

Oscillatory or step-pulsed high pressure.

振动或逐步脉冲的高压。

The frequency of the stenosis amplitude oscillatory mak…

狭窄幅度的变化则对输入阻抗模影响较小。