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地震 记 录 : 115 phrases in 13 subjects |
Bridge construction | 2 |
Desert science | 1 |
Earth sciences | 9 |
Electronics | 1 |
Engineering geology | 5 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 3 |
Geology | 1 |
Geophysics | 8 |
Hydroelectric power stations | 2 |
Navigation | 1 |
Oil / petroleum | 43 |
Technology | 37 |