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| 安全办公室 | |||
| 保卫处 | |||
| security office: 14 phrases in 10 subjects |
| Air defense | 2 |
| Aviation | 2 |
| Business | 1 |
| Economy | 2 |
| International Monetary Fund | 1 |
| Nautical | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 1 |
| United States | 2 |
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