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| primitive encoding | |||
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元 编码 : 30 phrases in 10 subjects |
| Communications | 1 |
| Data processing | 1 |
| Electronics | 11 |
| Information technology | 3 |
| Librarianship | 2 |
| Multimedia | 2 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 2 |
| Telecommunications | 5 |
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