1) higher dimensional nonautonomous system
高维非自治系统
1.
The existence and exponentially asymptotic stability of almost periodic solutions of higher dimensional nonautonomous system;
高维非自治系统概周期解的存在性和指数型渐进稳定
2) multi-dimentional autonomous system
高维自治系统
1.
We study the periodic solution of multi-dimentional autonomous system by Liapunov-Schmidt method,get a sufficient condition on which the saddle-node bifurcation ours and give a concrete example.
利用Ｌｉａｐｕｎｏｖ－Ｓｃｈｍｉｄｔ方法对高维自治系统的周期解进行了研究，得到了周期解的鞍结分歧产生的一个充分条件，并给出了一个具体的例子。
3) higher order autonomous Birkhoff system
高维自治Birkhoff系统
1.
The type and stability of singular points of higher order autonomous Birkhoff system are studied.
研究了高维自治Birkhoff系统的奇点类型及其稳定性,首先由奇点方程得到系统的奇点及其性质,然后研究了奇点处Fréchet导数的特征根性质,从而判断出高维自治Birkhoff系统的奇点不存在汇和源,只存在双曲奇点。
5) high dimensional differential system
高维自治微分系统
6) nonautonomous system
非自治系统
1.
In this paper,we have studied the existence of periodic solution for a class of nonautonomous system=φ(y)-F(x)+P(t) =-g(x)Sufficient condition to exist periodic solution for the system is obtained,and the results in are extended.
本文研究一类非自治系统ｘ＝φ（ｙ）－Ｆ（ｘ）＋Ｐ（ｔ）ｙ＝－ｇ（ｘ）｛的周期解的存在性，得出此系统存在周期解的充分条件，推广了文［４，５］的结论。
2.
This nonautonomous system has a quadratic fluid damping andparametric excitation, and the vortex excitation force is of very small amplitude.
该非自治系统具有流体平方阻尼力和中心激振。
补充资料：非想非非想处天
1.佛教语。即三界中无色界第四天。此天没有欲望与物质﹐仅有微妙的思想。
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参考词条