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| 双重失误 | |||
| 双重错误 | |||
| 双重差错 | |||
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double error : 33 phrases in 9 subjects |
| Business | 2 |
| Economy | 1 |
| Electronics | 14 |
| Geophysics | 1 |
| Information technology | 2 |
| Metallurgy | 4 |
| Space | 2 |
| Technology | 2 |
| Telecommunications | 5 |
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