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| длительный | |||
| продолжительный | |||
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long-continued : 21 phrases in 11 subjects |
| Agriculture | 1 |
| Agrochemistry | 1 |
| Electronics | 1 |
| General | 4 |
| Makarov | 5 |
| Medical | 2 |
| Medical appliances | 2 |
| Nuclear and fusion power | 1 |
| Nuclear physics | 1 |
| Patents | 1 |
| Radiography | 2 |