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海洋 勘探 : 38 phrases in 11 subjects |
| China | 1 |
| Company name | 1 |
| Earth sciences | 5 |
| Ecology | 2 |
| Engineering geology | 3 |
| General | 1 |
| Name of organization | 4 |
| Navigation | 9 |
| Oil / petroleum | 5 |
| Technology | 6 |
| United Nations | 1 |
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