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馈出 : 17 phrases in 10 subjects |
| Automatic control | 1 |
| Aviation | 1 |
| Computers | 1 |
| Cryptography | 1 |
| Electronics | 1 |
| General | 1 |
| Information technology | 1 |
| Rail transport | 2 |
| Space | 2 |
| Technology | 6 |
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