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| 速度脉冲 | |||
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velocity pulse : 17 phrases in 7 subjects |
| Animal husbandry | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Technology | 9 |
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