dulac 中文意思是什麼
dulac
解釋
迪拉克-
Assume that. in this paper, we will discuss the existence, the non - existence and the uniqueness of limit cycle system ( * ). the methods employed are poincare - bendixsion theorem, method of dulac function and zhang zhifen ' s uniqueness theorem. our main results are as follows : theorem 1
對的情形，我們討論了系統（ * ）極限環的存在性、不存在性和唯一性。主要利用環域定理、 dulac函數法和張芷芬的唯一性定理等手法。
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