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isochronous transmission |
同步发送 : 32 phrases in 12 subjects |
Air defense | 1 |
Aviation | 3 |
Electric machinery | 1 |
Electronics | 9 |
General | 1 |
Information technology | 4 |
Metallurgy | 2 |
Multimedia | 1 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 4 |
Technology | 4 |