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| multi-channel seismic | |||
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| multichannel seismic | |||
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多道地震 : 13 phrases in 6 subjects |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Geophysics | 2 |
| Oil / petroleum | 3 |
| Technology | 3 |
| United Nations | 3 |
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