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实质资料 | |||
物理数据 | |||
自然环境资料 |
physical data : 28 phrases in 11 subjects |
Computer networks | 5 |
Computers | 1 |
Corporate governance | 1 |
Earth sciences | 1 |
Electronics | 4 |
General | 2 |
Information technology | 4 |
Project management | 3 |
Refrigeration | 1 |
Space | 5 |
Technology | 1 |