| Original evaluation index system | Optimal evaluation index system | |||
Relative closeness | Ranking | Relative closeness | Ranking | ||
| 0.5848 | 2 | 0.5671 | 2 | |
| 0.6975 | 1 | 0.7089 | 1 | |
| 0.4871 | 3 | 0.5117 | 3 | |
| 0.4528 | 4 | 0.4254 | 4 | |
| 0.4087 | 5 | 0.3797 | 5 | |
The best candidate | |
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