本文建立了具有阻尼项的高阶微分方程新的振动定理。
This paper obtains a new oscillation theorem of high-order differential equation with damping.
所以利用相似定理，结合车辆行驶时的振动情况，来制作实验台架是进行车辆实验的有效途径。
Therefore utilizing similarity theorem and combining with the vibration circumstances of vehicles traveling to make the test bed is ane.
讨论了一类二阶强次线性微分方程解的振动性质，获得了三个新的振动性定理，推广和改进了相关文献的结果。
The oscillation for solutions of the class of the second order strongly sublinear differential equation are discussed and three new oscillation theorems are obtained.
给出系统振动的比较定理，利用比较定理讨论了一类非线性偏差分方程的振动性，给出简单的判别条件及证明。
By means of the comparison theorem, and the oscillation of some non-linear partial difference equations is discussed and some concise conditions and authenticity are given.
这些方法对减小攻丝扭矩、提高内螺纹质量、改善攻丝效果、促进振动攻丝的实际应用具有一定理论和实践意义。
These ways are valuable to decrease the torque of vibratory tapping, improve the quality of tapping and promote the practise use of vibratory tapping.
讨论了一类二阶强次线性时滞微分方程解的振动性质，建立了三个新的振动性定理。推广和改进了已知的一些结果。
The oscillation of a class of second order strongly sublinear delay differential equations is discussed. Three new theorems are established. The results generalize and improve some known ones.
讨论了一类二阶强次线性时滞微分方程解的振动性质，建立了三个新的振动性定理。
The oscillation of a class of second order strongly sublinear delay differential equations is discussed. Three new theorems are established.
本文针对后梁系统单自由度运动方程的非线性振动分析对工程设计、织造工艺改善有一定理论意义；
The nonlinear dynamic analysis to SDOF function of the back-rest system can be benefit for engineering design and improvement of weaving technology.
对一类二阶非线性差分方程的解给出了几个振动或非振动的判定定理，并举例说明了定理的应用。
Some new criteria of oscillation or non-oscillation are presented for certain nonlinear second order difference equations. Several examples are given to illustrate the results.
对一类二阶非线性差分方程的解给出了几个振动或非振动的判定定理，并举例说明了定理的应用。
Some new criteria of oscillation or non-oscillation are presented for certain nonlinear second order difference equations. Several examples are given to illustrate the results.
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