Research Article
Vulnerability Analysis of Soft Caving Tunnel Support System and Surrounding Rock Optimal Control Technology Research
Table 14
1–9 scaling method.
| The ratio of factors | Quantized values |
| Equally important | 1 | Somewhat important | 3 |
More important | 5 | Highly important | 7 | Extremely important | 9 | Intermediate value between two adjacent judgments | 2, 4, 6, 8 |
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