infin 中文意思是什麼
infin
解釋
無限大號-
At last, the isochronous center of infinity of a class of quintic systems is studied and all conditions of center and isochronous center are obtained for infin
最後，研究了一類實平面五次系統的無窮遠點的等時中心，給出了系統無窮遠點為中心和等時中心的全部條件
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