circuit switching : 55 phrases in 12 subjects |
Business | 3 |
Communications | 9 |
Computers | 3 |
Earth sciences | 3 |
Electrical engineering | 1 |
Electronics | 15 |
General | 2 |
Information technology | 8 |
Microelectronics | 4 |
Technology | 5 |
Telecommunications | 1 |
Telegraphy | 1 |