Comprehensive Risk Evaluation in the Long-Term Operation of Urban Subway Based on Multiple Indices

Table 5

Pairwise comparison scale for the AHP preferences.

Numerical rating	Verbal judgment of preferences
1	Equally preferred
2	Equally to moderately
3	Moderately preferred
4	Moderately to strongly
5	Strongly preferred
6	Strongly to very strongly
7	Very strongly preferred
8	Very strongly to extremely
9	Extremely preferred