Research Article
Quantitative Evaluation and Case Study of Risk Degree for Underground Goafs with Multiple Indexes considering Uncertain Factors in Mines
Table 3
The judgment values for determining the importance degree between the criteria
and
.
| The importance degree for comparing and | | |
| and b are “equally important” | 1 | 1 | is “a little more important” than | 3 | 1/3 | is “obviously important” compared to | 5 | 1/5 | is “significantly more important” than | 7 | 1/7 | is “extremely important” compared to | 9 | 1/9 | The importance degree of with respect to is between the above levels | 2, 4, 6, 8 | 1/ |
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