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地震震型 : 56 phrases in 10 subjects |
| Agriculture | 1 |
| Bridge construction | 4 |
| Earth sciences | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Geophysics | 5 |
| Oil / petroleum | 10 |
| Space | 1 |
| Technology | 29 |
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