Research Article

Research on Third-Party Collecting Game Model with Competition in Closed-Loop Supply Chain Based on Complex Systems Theory

Figure 41

(a) ,   , and , power spectrum of ; (b) , , and , power spectrum of ; and (c) , , and , power of spectrum .
750179.fig.0041a
(a)
750179.fig.0041b
(b)
750179.fig.0041c
(c)