The following conclusions are obtained: 1. the density wave in an unstable area develops a finite continuousoscillation.
得到如下一些重要结论：1。不稳定区域密度波振荡为有限的持续振荡。
2
In this paper, the theory and application of the Method of General Estimation on the study of the continuousoscillation of nonlinear control system has been introduced in brief.
本文简要介绍了总体评价法在研究非线性控制系统极限环振荡方面的理论和应用。
3
The new sufficient conditions for the oscillation of all solutions of the neutral differential equation with continuous and piecewise constant arguments are obtained.