图3. 受到兴奋性质不同的脉冲电流,静息($\sigma =-0.003$)可以变为动作电位(脉冲宽度$\Delta T=11$)
Fig. 3. An action potential can be evoked when the resting state ($\sigma =-0.003$) is stimulated by an impulsive current (impulsive width $\Delta T=11$) with different excitable characteristics