r.f: 27 phrases in 14 subjects |
Abbreviation | 1 |
Antennas and waveguides | 4 |
Astronomy | 3 |
Communications | 1 |
Construction | 3 |
Cultural studies | 1 |
Earth sciences | 1 |
Electronics | 1 |
General | 2 |
High energy physics | 2 |
Marketing | 1 |
Microelectronics | 4 |
Refrigeration | 1 |
Sociology | 2 |