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| 系统不正常运行 | |||
| 系统故障; 系统功能失灵 | |||
| system malfunction: 20 phrases in 6 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 4 |
| Electronics | 4 |
| Geophysics | 1 |
| Space | 9 |
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