Construction and Structural Analysis of Inter-Regional Industrial Circular Network: A Case of the Middle and Lower Reaches of the Yellow River in China

Figure 3

The cycle circulation effect in 2012 and 2017. (a) Cycle length and relative frequency (CF), (b) average relative investment (AI), (c) cycle centrality (C(f)), and (d) average cycle centrality (AD).

(a)

(b)

(c)

(d)