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| bank control; batch control; group control | |||
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分组 控制 : 41 phrases in 9 subjects |
| Aviation | 1 |
| Computer networks | 15 |
| Electronics | 8 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Information technology | 10 |
| Space | 1 |
| Technology | 3 |
| Telecommunications | 1 |
| United Nations | 1 |
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