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| 远洋航区大洋航区 | |||
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ocean areas : 30 phrases in 10 subjects |
| Aviation | 1 |
| Earth sciences | 6 |
| Geology | 2 |
| Name of organization | 1 |
| Navigation | 1 |
| Shipbuilding | 2 |
| Space | 4 |
| Technology | 7 |
| United Nations | 1 |
| United States | 5 |
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