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冲击脉冲 : 41 phrases in 10 subjects |
| Air defense | 2 |
| Aviation | 6 |
| Dermatology | 1 |
| Electric machinery | 3 |
| Electronics | 4 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |
| Geophysics | 1 |
| Space | 7 |
| Technology | 11 |
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