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| 光纤系统 | |||
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optical fibre system : 15 phrases in 7 subjects |
| Aviation | 3 |
| Computer networks | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Information technology | 1 |
| Space | 3 |
| Technology | 5 |
| Wind Energy | 1 |
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