常見例句Fifth section: Using the global Hopf bifurcation theorem for FDE and Bendixson criterion for two-dimensional ordinary differential equation,we obtain the global existence of periodic solutions; 第五節(jié):應(yīng)用全局Hopf分支定理和二維常微分方程的Bendixson準(zhǔn)則,分析此模型全局Hopf分支的存在性; 返回 Bendixson