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| Parameters | Meaning |
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| The number of -containers. -containers refer to the containers in group , which have fixed size, type, weight, and destination port |
| The number of empty slots in block |
| The weight of -containers |
| The weight of the containership’s constant, including the weight of the crew and supplies, spare parts, oil, and water |
| Height between the center of gravity of load Pi and the baseline |
| The vertical distance between ship tier and the hull bottom |
| The vertical distance between the center of gravity of load Pi and the baseline |
| The vertical distance between the transverse metacentric and the baseline |
| The number of empty slots in tier of block |
| The destination port of -container |
| Centimeter-trim moment |
| The horizontal distance between the buoyancy and the stern frame of the containership |
| The horizontal distance between the center of gravity of block b and the midship |
| The horizontal distance between the center of gravity of load and the midship |
| A large positive number |
| The upper bound of the containership GM |
| The lower bound of the containership GM |
| The upper bound of the containership trim |
| The lower bound of the containership trim |
| The upper bound of the ship tier in block |
| The lower bound of the ship tier in block |
| The coefficient of the hull buoyancy lever |
| The total moment of the weight in the first half hull and that in the second half hull |
| The displacement of the unloaded containership |
| The length of the containership |
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