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| границы сейсмических зон | |||
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| граница между поясами; граница между зонами | |||
| zone boundaries: 17 phrases in 11 subjects |
| Caspian | 1 |
| Construction | 1 |
| Electronics | 1 |
| Energy industry | 2 |
| Hydrography | 1 |
| Hydrology | 1 |
| Makarov | 4 |
| Military | 1 |
| Security systems | 1 |
| Seismology | 1 |
| Technology | 3 |