就平面向量场的分叉理论而言，极限环分叉的研究已成为人们关注的热点，具有极其重要的理论价值和实际应用价值。

The bifurcations of limit cycles which have important theory values and apply values are generally acknowledged as the hot areas of the research work.

youdao

就平面向量场的分叉理论而言，极限环分叉的研究已成为人们关注的热点，具有极其重要的理论价值和实际应用价值。

The bifurcations of limit cycles which have important theory values and apply values are generally acknowledged as the hot areas of the research work.

youdao