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| 边缘接触 | |||
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edge contact : 22 phrases in 7 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 4 |
| Multimedia | 1 |
| Oil / petroleum | 3 |
| Space | 3 |
| Technology | 9 |
| Telecommunications | 1 |
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