Study of Evolution Model of China Education and Research Network

Table 1

The accumulated frequency and percentage of degree in CERNET.

Outdegree	Accumulated frequency	Ratio to total outdegree (%)	Indegree	Accumulated frequency	Ratio to total indegree (%)
1∼50	30463	93.7	1∼5	341535	98.0
51∼300	32478	6.2	6∼199	348477	1.9
301∼1449	32510	0.1	201∼626	348491	0.1