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最大 值: 121 phrases in 15 subjects |
Aviation | 4 |
Cartography | 2 |
Computers | 2 |
Education | 1 |
Electronics | 21 |
General | 32 |
Geology | 2 |
Information technology | 1 |
Jet engines | 1 |
Mathematics | 3 |
Military | 2 |
Nautical | 4 |
Nuclear and fusion power | 1 |
Physics | 1 |
Technology | 44 |