Risk Early Warning Evaluation of Coal Mine Water Inrush Based on Complex Network and Its Application

Table 2

1∼9 scale scoring method.

Scale	Meaning
1	The two elements are of the same importance.
3	The former is slightly more important than the latter.
5	The former is significantly more important than the latter.
7	The former is more important than the latter.
9	The former is the most important than the latter.
2,4,6,8	The intermediate value of each scale.
Reciprocal (1,1/3, ..., 1/9)	The latter is more important than the former, with the same degree of importance as defined in 1∼9.