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| 有效日期; 生效日期 | |||
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| effective data: 13 phrases in 7 subjects |
| Economy | 2 |
| Geophysics | 1 |
| Information technology | 3 |
| Metallurgy | 1 |
| Project management | 1 |
| Technology | 4 |
| Telecommunications | 1 |
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