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| среднего уровня | |||
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均 标 : 39 phrases in 9 subjects |
| Antennas and waveguides | 1 |
| Business | 7 |
| Computers | 2 |
| Electronics | 4 |
| General | 9 |
| Mathematics | 5 |
| Metrology | 1 |
| Military | 1 |
| Technology | 9 |
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