 |
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| операционный класс (ssn) | |||
| класс операций (oleg.vigodsky); классы операций (oleg.vigodsky) | |||
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operation class : 33 phrases in 7 subjects |
| Electrical engineering | 9 |
| Electronics | 7 |
| Household appliances | 5 |
| Information technology | 2 |
| Mass media | 1 |
| Programming | 7 |
| Technology | 2 |