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| траектория волны | |||
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波径 : 21 phrases in 8 subjects |
| Antennas and waveguides | 1 |
| General | 4 |
| Military | 2 |
| Oil / petroleum | 1 |
| Seismology | 1 |
| Technology | 8 |
| Water supply | 2 |
| Wood processing | 2 |
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