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класс индексов |
index class : 16 phrases in 10 subjects |
Agriculture | 1 |
Automated equipment | 2 |
Economics | 1 |
Electrical engineering | 2 |
Electronics | 2 |
Firefighting and fire-control systems | 1 |
Patents | 3 |
Programming | 1 |
Psychology | 1 |
Technology | 2 |