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Change percentages of the objective functions against parameter’s change intervals
| Objective functions | Parameter’s change interval | ||||
|---|---|---|---|---|---|
| − 20% | − 10% | 0% | + 10% | + 20% | |
| Total cost | 7.00% | 4.86% | – | − 5.52% | − 13.82% |
| Total pollution emission | − 18.59% | − 6.24% | – | 15.90% | 19.50% |
| Total job opportunity | 7.81% | 4.51% | – | − 7.94% | − 11.52% |
| Total service time deviation | 17.19% | 4.72% | – | − 4.00% | − 4.60% |
