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| earthquake magnitude; seismic magnitude | |||
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| earthquake magnitude; seismic magnitude | |||
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地震级 : 42 phrases in 9 subjects |
| Bridge construction | 9 |
| Desert science | 3 |
| Electronics | 2 |
| Engineering geology | 4 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 20 |
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