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circuit switching : 49 phrases in 11 subjects |
Aviation | 1 |
Communications | 4 |
Computers | 3 |
Earth sciences | 3 |
Electrical engineering | 1 |
Electronics | 23 |
General | 1 |
Hobbies and pastimes | 1 |
Information technology | 10 |
Telecommunications | 1 |
Telegraphy | 1 |