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| event analysis | |||
| accident analysis | |||
| 事件分析: 19 phrases in 10 subjects |
| Aviation | 3 |
| Business | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| General | 1 |
| Management | 1 |
| Nautical | 1 |
| Reliability | 1 |
| Space | 6 |
| Technology | 1 |
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