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| wave propagation velocity | |||
| wave propagation speed | |||
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| velocity of wave propagation | |||
| 波传播速度: 26 phrases in 9 subjects |
| Air defense | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 4 |
| Geophysics | 1 |
| Hydroelectric power stations | 2 |
| Rail transport | 1 |
| Technology | 14 |
| Water resources | 1 |
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