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| acoustic bearing; acoustical bearing | |||
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声测向 : 29 phrases in 10 subjects |
| Earth sciences | 2 |
| Electronics | 4 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 1 |
| Navigation | 2 |
| Oil / petroleum | 2 |
| Rail transport | 2 |
| Shipbuilding | 2 |
| Technology | 11 |
| Telecommunications | 2 |
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