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| незакреплённая конструкция; произвольная структура; свободная конструкция | |||
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free structure : 13 phrases in 9 subjects |
| Antennas and waveguides | 1 |
| Aviation | 1 |
| Biology | 1 |
| Construction | 1 |
| Mathematics | 2 |
| Medical | 2 |
| Nanotechnology | 1 |
| Programming | 2 |
| Technology | 2 |