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частота повторения; частота следования | |||
частота повторения (импульсов); частота связи |
重复频率 : 24 phrases in 8 subjects |
Automated equipment | 1 |
Aviation | 1 |
Electronics | 6 |
General | 5 |
Military | 1 |
Oil processing plants | 1 |
Technology | 7 |
Television | 2 |