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back wave | |||
short wave | |||
shortwave | |||
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high frequencies | |||
short waves |
onda corta : 60 phrases in 12 subjects |
Communications | 15 |
Earth sciences | 2 |
Electronics | 8 |
General | 1 |
Geology | 1 |
Health care | 1 |
Information technology | 1 |
Medical | 11 |
Meteorology | 13 |
Radio | 2 |
Technology | 3 |
Thermal Energy | 2 |