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| upward traveling wave; upgoing wave | |||
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上 行波 : 23 phrases in 7 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 6 |
| Oil / petroleum | 8 |
| Space | 1 |
| Sports | 1 |
| Technology | 5 |
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