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| preparation of data | |||
| data preparation | |||
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| data preparation | |||
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数据 准备 : 25 phrases in 11 subjects |
| Air defense | 2 |
| Aviation | 5 |
| Consulting | 1 |
| Economy | 1 |
| Electronics | 3 |
| Information technology | 3 |
| International Monetary Fund | 2 |
| Project management | 1 |
| Space | 2 |
| Technology | 4 |
| Telecommunications | 1 |
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