Nonresonant Hopf bifurcation of Van der Pol-Duffing sytem[J].Journal of National University of Defense Technology,2001,23(2):107-110(in Chinese).是什么意思_Nonresonant Hopf bifurcation of Van der Pol-Duffing sytem[J].Journal of National University of Defense Technology,2001,23(2):107-110(in Chinese).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句