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| 块 链: 47 phrases in 13 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 2 |
| Computer networks | 8 |
| Cryptography | 1 |
| Electronics | 14 |
| General | 2 |
| Information technology | 4 |
| Jewelry | 1 |
| Metallurgy | 1 |
| Technology | 4 |
| Telecommunications | 3 |
| Textile industry | 4 |
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