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earthquake magnitude; seismic magnitude | |||
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earthquake magnitude; seismic magnitude |
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 |