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field number |
域号 : 40 phrases in 12 subjects |
Advertising | 6 |
Air defense | 1 |
Cables and cable production | 1 |
Commerce | 1 |
Communications | 1 |
Ecology | 1 |
Electronics | 6 |
General | 1 |
Information technology | 1 |
Space | 3 |
Technology | 9 |
Telecommunications | 9 |