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| свет; общество | |||
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交 : 152 phrases in 9 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Information technology | 2 |
| Mathematics | 12 |
| Nuclear physics | 1 |
| Rail transport | 2 |
| Technology | 126 |
| Telephony | 6 |
| Textile industry | 1 |
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