Research Article
A Scheme of Sustainable Trajectory Optimization for Aircraft Cruise Based on Comprehensive Social Benefit
Table 1
Different types of action at each stage.
| Action type | Description |
| Type (0, 0) | Neither the speed nor flight level is adjusted. | Type (1, 0) | The speed is adjusted while the flight level is not. | Type (0, 1) | The flight level is adjusted while the speed is not. |
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