The oscillation for a class ofhigherorder nonlinear neutral difference equations with several delay arguments is studied. A sufficient condition for the oscillationof the equations is obtained.
研究了一类具有多变滞量的高阶非线性中立型差分方程的振动性，给出了此类方程振动的一个充分条件。
2
In this paper, we study oscillation and asymptotic behavior of solutions ofhigherorder nonlinear differential equations, and give necessary and sufficient conditions for oscillation.
在本文中，研究了高阶非线性微分方程的振动性与渐近性，给出了振动的充要条件。
3
The results of the test for the second orderoscillation link and the test for type a turntable show that the software has correct test result, higher precision and real time characteristic.