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模块结构 : 33 phrases in 13 subjects |
Air defense | 1 |
Artificial intelligence | 1 |
Aviation | 4 |
Cryptography | 1 |
Electric machinery | 2 |
Electronics | 8 |
Information technology | 2 |
Mathematics | 1 |
Rail transport | 1 |
Space | 9 |
Technology | 1 |
Telecommunications | 1 |
Wind Energy | 1 |