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| speed vector; velocity vector | |||
| 速度 向量: 27 phrases in 10 subjects |
| Aerohydrodynamics | 1 |
| Air defense | 1 |
| Aviation | 6 |
| Compressors | 1 |
| Desert science | 1 |
| Explosives and Explosive Ordnance Disposal | 3 |
| General | 4 |
| Information technology | 1 |
| Space | 3 |
| Technology | 6 |
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