limit-cycle 极限环
stable limit cycle [数] 稳定极限环 ; 稳定极限循环
limit cycle flutter 极限环颤振
limit cycle oscillation 极限环振荡
half stable limit cycle 半稳定极限环
limit-cycle oscillations 以避免极限环振荡
multiple limit-cycle 多重极限环
semistable limit cycle 半稳定极限周期
the limit cycle 极限环
In this paper,we present unioueness theorem of limit cycle of system =(y),=-g(x)-f(x)y. The result improves and extends the result in 1.
本文给出系统＝（y），＝-g（x）-f（x）y条件较弱的极限环唯一性定理。
参考来源 - 系统x＝ψ（y），y＝·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
The existence of a limit cycle was proved.
证明了极限环和周期解的存在性。
A concrete example is discussed and the accurate location of each limit cycle is displayed.
获得了一个具体例子中每一个极限环的确切位置。
The sufficient condition for the existence of limit cycle is proved using the Pioncare-Bendixson theory.
运用庞卡莱—班狄克逊环域理论，得到了极限环存在的充分条件；
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