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运算数据 | |||
操作数据 |
operations data : 60 phrases in 13 subjects |
Air defense | 4 |
Aviation | 14 |
Business | 2 |
Computers | 1 |
Earth sciences | 2 |
Electronic commerce | 1 |
Electronics | 15 |
Geophysics | 1 |
Information technology | 4 |
Metallurgy | 2 |
Space | 9 |
Technology | 4 |
Telecommunications | 1 |