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electrical command |
电指令 : 60 phrases in 13 subjects |
Air defense | 5 |
Automobiles | 1 |
Aviation | 13 |
Electronics | 7 |
Information technology | 1 |
Mathematics | 1 |
Metallurgy | 1 |
Rail transport | 1 |
Securities | 3 |
Shipbuilding | 1 |
Space | 19 |
Technology | 5 |
United Nations | 2 |