Fig. 1. The behavior of the effective decay rate as a function of the measurement interval:　(a) ; (b) ; (c) . 有效衰减率随测量间隔的变化曲线　(a) ; (b) ; (c)

Fig. 2. The beehavior of the effective decay rate as a function of the measurement interval: (a) , ; (b) , ; (c) , . 有效衰减率随测量间隔的变化曲线　(a) , ; (b) , ; (c) ,

Fig. 3. Behavior of the effective decay rate as a function of the measurement interval for the initial state . 初态 时有效衰减率随测量间隔的变化曲线