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| 信息编码 | |||
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information coding : 19 phrases in 9 subjects |
| Air defense | 1 |
| Artificial intelligence | 2 |
| Corporate governance | 1 |
| Electronics | 3 |
| Horticulture | 1 |
| Information technology | 7 |
| Librarianship | 1 |
| Space | 1 |
| Telecommunications | 2 |
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