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| 矩形分配 | |||
| 均勻分布，矩形分布; 均勻分布，一致分布 | |||
| 矩形分布; 均匀分布 | |||
| rectangular distribution: 6 phrases in 4 subjects |
| Air defense | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mathematics | 1 |
| Technology | 3 |
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