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| 离着: 51 phrases in 13 subjects |
| Agriculture | 4 |
| Air defense | 1 |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Aviation | 16 |
| Biology | 1 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 4 |
| Genetics | 4 |
| Plastics | 1 |
| Space | 6 |
| Technology | 8 |
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