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| 震源位置 | |||
| source location: 14 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 2 |
| Technology | 6 |
| United Nations | 1 |
| Water resources | 2 |
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